The Agnes Irwin School
Independent school · Grades Pre-K–12
Bryn Mawr, PA
275 S Ithan Ave, Bryn Mawr, PA 19010
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- ACollege-going
- A-Years serving families
- A-Diversity
What stands out
- 100% of graduates go to four-year colleges
- Small classes: about 7 students per teacher
- Serving families in Bryn Mawr since at least 2011
- One school from pre-K through 12th grade
In Bryn Mawr, Pennsylvania, The Agnes Irwin School is an independent private school for students from pre-K through 12th grade. About 599 students attend, with roughly 7 students per teacher. It has been listed in official private school records since 2011–12. The school is an all-girls school. The school reports that about 100% of its graduates go on to four-year colleges. The school day runs about 7.5 hours, 170 days a year. Pennsylvania has programs that can help pay tuition; ask the school whether it takes part.
At a glance
- Grades
- Grades Pre-K–12
- Students
- 599
- Teachers
- 88 (full-time equivalent)
- Students per teacher
- 6.8
- Boys and girls
- All girls
- Religious affiliation
- None (nonsectarian)
- School day
- About 7.5 hours
- School year
- 170 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 58% of independent schools in Pennsylvania (7 students per teacher).
- Larger than 82% of independent schools in Pennsylvania.
- Compared with 45 independent schools in Pennsylvania.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Coalition of Girls' Schools
- National Association of Independent Schools
- A state or regional independent school association
Help paying tuition in Pennsylvania
These state programs can help pay private school tuition. Only participating schools can accept them, so ask The Agnes Irwin School 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 The Agnes Irwin School
What grades does The Agnes Irwin School serve?
The Agnes Irwin School serves grades Pre-K–12.
How many students attend The Agnes Irwin School?
About 599 students, with 7 students per teacher, according to official records.
How much is tuition at The Agnes Irwin School?
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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