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All schools in the Washington International School group
Academic offering
Curriculum IB (PYP), IB (DP)
Taught languages Mandarin, Spanish
Typical class size 17
Strengths Languages, STEM, Performing Arts
Clubs Academic and Intellectual, Arts and Creative, Cultural and Language
Stages Early Years, Primary School, Secondary School
Introduction
Washington International School is a not-for-profit independent day school for ages 3 to 18 across two DC campuses. It offers the IB program from the Primary Years (PYP) through the Diploma (DP) for grades 11–12, with externally graded exams. In the early years, language immersion runs in French or Spanish; Grades 1–5 follow a dual-language program of English with either English/French or English/Spanish, while Mandarin begins in Grade 6. The school earns LabelFrancÉducation accreditation for high-quality French bilingual education and supports continued study through French or Spanish as Additional Languages. The Primary School includes a library with books in English, French, and Spanish, and the Lasseron Design Lab. The Tregaron Campus houses Middle and Upper Schools; Le Centre Brown, a science-centric facility, is under construction to LEED Gold standards and expected to open in 2025. WIS offers after-school programs and clubs such as Model UN, Amnesty International, and Pride Alliance.
This campus is part ofWashington International School
3100 Macomb St NW, Washington, DC 20008, United States
Gallery
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Vibes and Culture
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The Essentials
Washington International School - Tregaron Campus has typical class sizes of 17, instruction in English, French, Spanish.
Location
Two campuses in Northwest Washington, DC: the Primary School Campus (Preschool to Grade 5) at 1690 36th Street NW, Washington, DC 20007; and the Tregaron Campus (Grades 6–12) at 3100 Macomb Street NW, Washington, DC 20008.
Stages
Primary School Campus (Preschool–Grade 5). Middle and Upper Schools (Grades 6–12).
Type
not-for-profit independent day school
Additional learning support
Language support in English, French, and Spanish for Grades 1–5; Learning Specialists provide strategies to address identified learning needs; After-School Supervised Study and Tutoring available for Middle and Upper Schools; Counselors provide short-term counseling and psycho-education; University Counselors provide additional support for Upper School.
Country affiliation
United States
School day structure
Primary School follows a 10-day rotating schedule; arrivals typically 8:00–8:15 a.m. with classes from 8:20 a.m. to about 3:00–3:30 p.m. Middle and Upper Schools follow an eight-day rotating schedule with five periods per day; arrivals 8:00–8:10 a.m., classes begin 8:15 a.m., with dismissal around 2:50 p.m. (Grades 6–10) or 3:45 p.m. (Grades 11–12).
Bus service
WIS offers two bus options: an inter-campus shuttle between the Primary School Campus and the Middle/Upper Campus (Tregaron), and a bus service between Capitol Hill/Eastern Market and the WIS campuses. Bus services are available to children five years and older, with registration by semester or full year.
Diving Deeper
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Fees
Annual tuition at Washington International School - Tregaron Campus ranges from USD 34,315 to USD 56,820 for 2026/27.
Application fee
- New-student application fee: USD 75. A reduced application fee of USD 25 is available to families applying for financial aid. Applications and application fees are due by the published admissions deadline.
(Annual tuition covers school lunches, textbooks, most local field trips, retreats, outdoor education fees, laboratory and other science fees, tickets to school productions, a yearbook, student photographs and ID cards, workbooks, and classroom materials.)
One-time and additional mandatory charges
- International Baccalaureate (IB) service and examination fee for Grade 12 students: average approximately USD 1,100 (actual IB exam charges vary by student program). - Capital Levy (one-time, for newly enrolled students): USD 2,500 for newly enrolled Primary School students; USD 5,000 for newly enrolled Middle/Upper School students. - Incidental expenses (charged as billed) may include replacement of lost library books, recommended tutoring, and similar items.
Optional or program-specific costs
- 1:1 device program: Chromebooks provided for Grades 6–8. Upper School (Grades 9–12) students are required to bring a daily Internet-enabled device (laptops strongly suggested); families on financial aid may request assistance for device purchase. Costs for devices or outside tutors (for independent language study) are the family's responsibility. - Optional extra trips and special events (camping, long-distance class trips, ski trips, optional performances, etc.) are not covered by tuition; costs vary and are billed prior to the event.
Transport and extended-care fees (examples and billing cadence where specified)
- Intercampus shuttle annual cost: USD 600 one‑way or USD 1,200 round‑trip. Registration is completed by term (Primary School) and by semester (Middle/Upper School); fees assume daily attendance and can be prorated for fewer than five days weekly (not prorated below a per‑term basis). - Eastern Market bus annual cost: USD 2,400 one‑way or USD 4,800 round‑trip. - Primary School Early Arrival and Extended Day Care (registration completed by term): example term rates shown as follows (assume daily attendance; prorating rules apply per term): - Early Arrival / Extended Day Care — Example schedule and term rates: - Option A: Fall Term USD 1,900; Winter Term USD 1,125; Spring Term USD 1,125; Drop‑in USD 50/day. - Option B (alternative rate shown): Fall Term USD 2,500; Winter Term USD 1,485; Spring Term USD 1,600; Drop‑in USD 50/day. - Middle School After School Supervision (Grades 6–8), registration completed by semester: USD 2,380 for Semester One and USD 2,380 for Semester Two; drop‑in rate USD 50/day. Late pick‑up after 6:00 PM incurs USD 30 per quarter‑hour. - Vacation camp fees (Primary School winter/spring breaks) are typically approximately USD 650 per week (USD 130/day); optional extended care available for additional per‑day fees.
Voluntary and community fees
- Washington International School Parent Association (WISPA) voluntary fee: USD 85. This fee appears on the initial bill; families may decline by notifying Student Accounts by the published deadline.
Billing schedule and payment terms
- Families choose one of these payment plans when submitting an enrollment contract (payment collection is managed through the FACTS Tuition Management platform; all families must set up a FACTS account): - Plan A — One full payment: 100% of tuition (minus the enrollment deposit credit) due on or before June 19, 2026. A 1% tuition discount applies when full payment is received by that date (this tuition discount does not apply to families on financial aid and does not apply to other fees). - Plan B — Two payments: 60% of tuition (minus the enrollment deposit credit) due on or before June 19, 2026; remaining 40% (minus the enrollment deposit credit) due on or before December 1, 2026. - Plan C — Ten monthly installments: Ten equal monthly payments (each 10% of tuition and fees) due monthly from May 15, 2026 through February 15, 2027. The enrollment deposit is credited toward the last installment. A processing surcharge of USD 200 is charged with the first installment. - The full terms and conditions of payment are set out in the enrollment contract; enrollment contracts become fully binding on the date specified in the admissions/enrollment materials. Contact information for Student Billing is provided on billing materials.
Payment methods and processing
- Tuition payments are processed through FACTS Tuition Management; every family is required to create a FACTS account for billing and payments. Payment for optional services and charitable contributions may also be accepted by credit card. Specific payment method options available in FACTS (ACH/Bank transfer, credit card, and other methods supported by the FACTS platform) are managed through the FACTS account.
Boarding
- Washington International School operates as an independent day school; boarding is not offered.
Uniform and dress costs
- There is no general school uniform requirement; some school traditions or event‑specific dress expectations exist (for example, senior class dress traditions on certain days). Families should plan for occasional event‑specific wardrobe items but a general uniform purchase is not required.
Refunds and tuition‑protection options
- The School uses an optional Tuition Refund Plan (TRP) to protect the family's tuition obligation in the event of a covered withdrawal, dismissal, or extended medical absence. The student's financial obligation to the School remains for full annual tuition as stated in the enrollment contract; the TRP, if purchased, provides insurance benefits payable to the School under the policy's terms for covered reasons. Typical TRP benefit examples include payment of a percentage of unused insured fees for medical withdrawals, non‑medical withdrawals after a required minimum attendance period, and dismissals; specific benefit percentages, exclusions, coverage effective dates, enrollment deadlines, and claim procedures are set out in the TRP policy and enrollment materials. The TRP premium cost and enrollment instructions are provided with enrollment materials; written election of the plan and premium payment are required by the plan's stated deadlines.
Other notes on charges and how amounts are billed
- Many ancillary programs and services (optional trips, camps, device purchases, outside tutor fees for independent language study, certain long‑distance trips, and some special events) are billed separately and may require advance payment prior to participation. Capital Levy and other one‑time charges for newly enrolled students are billed at enrollment. Some recurring services (bus service, early arrival/extended day care, after‑school supervision) are registered and billed by term or semester as specified. Late pick‑up and drop‑in fees apply at published rates.
Contact for billing questions
- The Student Billing office contact number is provided in billing materials for account questions and clarifications. Tuition and payment enrollment is managed through the FACTS platform.
Academics
Washington International School - Tregaron Campus teaches IB (PYP), IB (DP) for students aged 3 to 18.
Curriculum
The IB Primary Years Program is the framework for the Primary School curriculum. PYP learning is organized into Units of Inquiry under six core themes and is inquiry-based, emphasizing student agency. Preschool to Kindergarten participate in Language Immersion in French or Spanish; Grades 1–5 follow a Dual Language Program of English with either English/French or English/Spanish; French as an Additional Language (FAL) and Spanish as an Additional Language (SAL) are available. The school earned LabelFrancÉducation accreditation for high-quality French bilingual education. Mandarin begins in Grade 6. In the Middle and Upper Schools, the IB Diploma Program is the university-preparatory curriculum for Grades 11–12, with six subjects (three at Higher Level and three at Standard Level), plus Theory of Knowledge, an Extended Essay, and a 60-hour Creativity-Activity-Service component; final exams are externally graded by the IB.
Exam Results
IB Diploma Program results (2025): WIS average 33; 93.7% pass rate; 71% bilingual diplomas; 5.17 average subject score; 39% of diplomas with 6s and 7s.
Higher Education Progression
Graduates matriculate to universities worldwide, including Harvard University, Columbia University, Stanford University, Yale University, University of Chicago, University of Michigan, University of California Berkeley, University of Toronto, Sciences Po, Bocconi University, Trinity College Dublin, Durham University, Imperial College London, University College London, Cambridge, Oxford, and Georgetown University.
Wellbeing
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Parent Experience
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Facilities
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Extra-Curricular Activities
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Languages
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Reputation
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Admissions
Admissions
The school has two campuses: Primary School Campus for Preschool through Grade 5 at 1690 36th Street NW, Washington, DC 20007, and Tregaron Campus for Grades 6–12 at 3100 Macomb Street NW, Washington, DC 20008. Admissions are managed through the online Admissions Portal; the application fee is $75, with a reduced rate of $25 for families applying for financial aid; applications and application fees are due January 5; financial aid applications are due January 15. For Grades 1–5, testing includes English and math, with a written assessment in French or Spanish for Dual Language Program applicants; non-local applicants have their admissions tests mailed to their current schools, and Dual Language applicants also schedule a virtual language assessment. For Grades 6–12, the process includes an applicant interview, local testing in English and math, and language assessments as applicable; local applicants register for on-site visits; a Parent Questionnaire and two teacher recommendations are required; all items are due February 1. Decision notifications occur February 27, 2026; families have until March 21 to accept the offer of admission; enrollment contracts become fully binding on June 1, 2026. Fluency in French or Spanish is not required; language programs include Language Immersion in French or Spanish for Preschool–Kindergarten; a Dual Language Program English/French or English/Spanish for Grades 1–5; and French as an Additional Language and Spanish as an Additional Language for Grades 1–5.
Scholarships
WIS offers financial aid based on need. Grants based on financial need are awarded to students whose families cannot afford tuition; about 14–15 percent of current students receive some financial aid, and aid is available to approximately 15 newly admitted students each year. Financial aid applications are processed through School and Student Services (SSS). Step One: Complete the Parent Financial Statement due January 15; Step Two: Submit supporting documentation due February 1 for new applicants and March 1 for returning; Step Three: Submit 2025 tax documentation due April 20. Newly admitted students receive grant notifications with offers in late February; returning students receive grant notifications mid-March to mid-April. The school intends to offer aid to every accepted student who demonstrates need, but funding may be limited; therefore families should apply for aid in parallel with their WIS application. See the Financial Aid brochure and guide for details.
School Events
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FAQs
Where are Washington International School's campuses located in Washington, DC?
WIS has two campuses in Northwest Washington, DC: the Primary School Campus (Preschool–Grade 5) at 1690 36th Street NW, Washington, DC 20007, and the Tregaron Campus (Grades 6–12) at 3100 Macomb Street NW, Washington, DC 20008.
What ages and grade levels does WIS serve and is it co-educational?
Washington International School serves ages 3 to 18 across Preschool through Grade 12 and is co-educational. The Primary School covers Preschool–Grade 5 and the Tregaron Campus houses Grades 6–12.
How do I apply and what are the key admissions steps and deadlines for different grade levels?
Applications and application fees are due January 5, and financial aid applications are due January 15. For Grades 1–5 there are English and math tests and a written French or Spanish assessment for Dual Language applicants, while Grades 6–12 applicants complete testing, an interview, a Parent Questionnaire, and two teacher recommendations with many application materials due February 1; decision notifications occur February 27 and families have until March 21 to accept offers.
What is the application fee and is there a reduced rate for families applying for financial aid?
The new-student application fee is USD 75, and a reduced application fee of USD 25 is available to families applying for financial aid. Applications and application fees are due by the published admissions deadline.
Are there any one-time or additional mandatory charges I should know about at enrollment?
Newly enrolled students are charged a Capital Levy: USD 2,500 for newly enrolled Primary School students and USD 5,000 for newly enrolled Middle/Upper School students. Grade 12 students pay an average IB service and examination fee of approximately USD 1,100, and incidental expenses (lost books, recommended tutoring, etc.) may be billed as needed.
What is the academic program from Preschool through Grade 12?
The Primary School follows the IB Primary Years Programme (PYP) with inquiry-based Units of Inquiry and language immersion in French or Spanish in the early years, while Grades 1–5 follow Dual Language tracks. The Middle and Upper Schools prepare students for the IB Diploma Program in Grades 11–12, which includes three Higher Level and three Standard Level subjects, Theory of Knowledge, an Extended Essay, and a 60-hour Creativity-Activity-Service component with externally graded exams.
How do WIS students perform in the IB Diploma exams?
For the 2025 IB Diploma cohort, the WIS average score was 33 with a 93.7% pass rate, 71% of diplomas awarded as bilingual diplomas, a 5.17 average subject score, and 39% of diplomas including 6s and 7s. These results reflect WIS's IB program outcomes for that graduating class.
Where do WIS graduates typically matriculate for university?
WIS graduates matriculate to universities worldwide, including institutions such as Harvard, Columbia, Stanford, Yale, University of Chicago, University of Michigan, UC Berkeley, University of Toronto, Sciences Po, Bocconi, Trinity College Dublin, Durham, Imperial College London, UCL, Cambridge, Oxford, and Georgetown. University Counselors provide targeted support to Upper School students during the college application process.
What academic and library facilities are available on the Primary School campus?
The Primary School building features light-filled classrooms, a library with books in English, French, and Spanish, the Lasseron Design Lab, art and music rooms, a multipurpose room, and a gymnasium. Outdoor facilities include a field, two playground areas, a paved ball area, and a dedicated outdoor space for Early Years.
What facilities are available at the Tregaron Campus and what is Le Centre Brown?
The Tregaron Campus sits on six wooded acres with rehabilitated historic buildings, walking paths, a pond, a Language Center, and Huffard Hall Dining Hall. Le Centre Brown is a science-centric facility under construction, planned to open in summer 2025 to LEED Gold standards and to provide dedicated science classrooms and a dining facility.
What sports facilities and physical education offerings does WIS provide at Tregaron?
The Tregaron Campus includes an indoor gym, an outdoor basketball court, and a regulation-size artificial turf soccer pitch. The Middle and Upper School PE program includes three hours of PE and one hour of health or life skills during each eight-day cycle, and teams compete in the Potomac Valley Athletic Conference (PVAC).
What after-school and extracurricular options are available for students?
WIS offers a broad Extended Learning program (WISEL) with after-school classes in art, science, technology, languages, sports, instrumental music, dance, chess, and more, plus Primary before- and after-school programs and vacation camps. Middle and Upper School extracurriculars include Model UN, Amnesty International, Debate, Mock Trial, Black Student Union, Pride Alliance, ensembles, drama productions, and seasonal school musicals and plays.
How can students get involved in leadership or student government?
Middle and Upper School students can participate in International Students United (ISU), the student government that plans service programs, fundraisers, spirit days, and dances. Club fairs at the start of the year give students opportunities to start or lead clubs such as Model UN, Amnesty International, Debate, and Mock Trial.
How does WIS support students' social and emotional wellbeing?
WIS uses the Responsive Classroom approach and provides counselors who deliver classroom lessons, short-term individual and group counseling, and consultation with teachers and parents. Middle School offers psycho-education life-skills programs on topics like depression, anxiety, relationships, and stress management, while Upper School counselors provide crisis intervention, psychosocial assessment, and referrals to outside services as needed.
What learning support and language support services are available for students with additional needs or for EAL learners?
WIS identifies learning needs through teacher observations, grade-level assessments, standardized tests, and external evaluations, and Learning Specialists collaborate with teachers to provide in-class strategies and interventions. Language support coordinators provide in-class and out-of-class support in English, French, and Spanish, and additional Mathematics Support is available in Grades 1–5.
What safeguarding and safety measures does the school have in place?
WIS maintains a Child Protection Policy aligned with accrediting standards and the UN Convention on the Rights of the Child, with annual child protection training and Child Protection Teams at each division. Background investigations are required for employees and many volunteers, security guards and cameras are in place, and students and staff participate in drills for internal and external threats; the Safeguarding Lead is Associate Head of School Natasha Bhalla.
Does WIS offer boarding or require a school uniform?
WIS is an independent day school and does not offer boarding. There is no general school uniform requirement, although some event-specific or class traditions may have dress expectations.
Who provides school meals and what are dining arrangements on each campus?
Food services are provided by Meriwether Godsey, who use fresh, seasonal ingredients, local produce, and from-scratch cooking, and dining is included as part of WIS programming with no separate dining charge. The Primary School serves family-style meals, while the Tregaron Campus provides community dining in Le Centre Brown and Huffard Hall, and breakfast is available at Tregaron from 7:30–8:15 AM.
Is WIS accredited for bilingual French education and does it offer immersion programs?
WIS holds LabelFrancÉducation accreditation for high-quality French bilingual education and runs language immersion in French or Spanish beginning in Preschool and Kindergarten. Grades 1–5 follow Dual Language Programs in English/French or English/Spanish with about half of academic instruction in the partner language, and Mandarin begins in Grade 6.
What are the tuition fees at Washington International School - Tregaron Campus?
Annual tuition at Washington International School - Tregaron Campus ranges from USD 34,315 to USD 56,820 depending on year group. Fees are reviewed each year, so check the school's current fee schedule before applying.
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