Quadrat Academy
Montessori school · Grades 6–12
Philadelphia, PA
222 Brown St, Philadelphia, PA 19123
Overall grade: A
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A+Class size
- BYears serving families
What stands out
- Smaller classes than 88% of Montessori schools nationwide
In Philadelphia, Pennsylvania, Quadrat Academy is a Montessori school for students from 6th grade through 12th grade. About 20 students attend, with roughly 4 students per teacher, smaller classes than 88% of Montessori schools nationwide. The school reports that about 50% of its graduates go on to four-year colleges. The school day runs about 6.5 hours, 180 days a year. Pennsylvania has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades 6–12
- Students
- 20
- Teachers
- 5.1 (full-time equivalent)
- Students per teacher
- 3.9
- Boys and girls
- Coed · 7 girls, 13 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Montessori
- School day
- About 6.5 hours
- School year
- 180 days
- Graduates going to 4-year colleges
- About 50% (the school's estimate for the class before the survey)
- Library
- Yes
Reviews
Be the first to share what you love about Quadrat Academy.
How it compares
- Smaller classes than 88% of Montessori schools nationwide (4 students per teacher).
- A smaller school: fewer students than 87% of Montessori schools nationwide.
- Compared with 138 Montessori schools nationwide.
Students by grade
Student body
Help paying tuition in Pennsylvania
These state programs can help pay private school tuition. Only participating schools can accept them, so ask Quadrat Academy whether it takes part.
- Opportunity Scholarship Tax Credit (OSTC) · Tax-credit scholarship
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 Quadrat Academy
What grades does Quadrat Academy serve?
Quadrat Academy serves grades 6–12.
How many students attend Quadrat Academy?
About 20 students, with 4 students per teacher, according to official records.
How much is tuition at Quadrat Academy?
Call the school to ask about tuition, financial aid and payment plans. Pennsylvania has programs that can help pay private school tuition; ask whether the school takes part.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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