Ef Academy International Boarding School
Independent school · Grades 9–12
Thornwood, NY
582 Columbus Ave, Thornwood, NY 10594
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- ACollege-going
- B+Years serving families
- A+Diversity
What stands out
- 100% of graduates go to four-year colleges
- Smaller classes than 60% of independent schools in New York
Ef Academy International Boarding School is an independent private school in Thornwood, New York, for students from 9th grade through 12th grade. It has about 253 students and around 6 students per teacher, smaller classes than 60% of independent high schools in New York. The school reports that about 100% of its graduates go on to four-year colleges. Students attend about 7.5 hours a day, 148 days a year.
At a glance
- Grades
- Grades 9–12
- Students
- 253
- Teachers
- 44.9 (full-time equivalent)
- Students per teacher
- 5.6
- Boys and girls
- Coed · 146 girls, 107 boys
- Religious affiliation
- None (nonsectarian)
- School day
- About 7.5 hours
- School year
- 148 days
- Graduates going to 4-year colleges
- About 100% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
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How it compares
- Smaller classes than 60% of independent high schools in New York (6 students per teacher).
- Larger than 80% of independent high schools in New York.
- Compared with 15 independent high schools in New York.
Students by survey year
Total students reported in official records since 2017–18.
Students by grade
Student body
Member of
- National Association of Independent Schools
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Ef Academy International Boarding School
What grades does Ef Academy International Boarding School serve?
Ef Academy International Boarding School serves grades 9–12.
How many students attend Ef Academy International Boarding School?
About 253 students, with 6 students per teacher, according to official records.
How much is tuition at Ef Academy International Boarding School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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