Bryn Mawr, PA · K–12
Last verified August 19, 2026
275 S Ithan Ave, 19010 · (610) 801-1869
Enrollment
573
Student:teacher
7:1
Published tuition
$27,300–$49,075
Application fee
—
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Tuition by division
We don't have a grade-by-grade tuition breakdown for this school yet. The published range across all divisions is $27,300–$49,075. Most independent schools charge different rates for preschool, elementary, middle and upper school.
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Head of school
Sally Keidel
Head of School
Sally Keidel returned to AIS after serving as Head of The Montgomery School. She holds a master’s in educational leadership from the University of Pennsylvania and has nearly 30 years of experience in education.
Curriculum & special classes
The curriculum and teaching are grounded in research about how girls learn best, creating opportunities for girls to speak up, lead, and shape their own path. It is a research-based, academic curriculum that aims to empower girls to learn, to lead and to live a legacy.
Financial aid
Agnes Irwin is committed to making educational opportunities accessible regardless of a family’s ability to afford full tuition. Families can apply for tuition assistance, and additional designated tuition awards are available.
Before & after school care
No extended-care hours or rates on file yet. This is one of the biggest surprise costs for working parents — if you know what before- and after-care runs here, add it below.
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Admissions
We don't have deadlines, requirements or an acceptance rate for this school yet. Most independent schools post an admissions timeline in the fall — the school's website is linked below.
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