Ellerna is built in Vancouver, on the traditional, ancestral and unceded territories of the xʷməθkʷəy̓əm (Musqueam), Sḵwx̱wú7mesh (Squamish) and səl̓ilw̓ətaʔɬ (Tsleil-Waututh) Nations.

Mastery CS-Hardy Williams

Kindergarten · Philadelphia

Out-of-school care, kindergarten · Out-of-school care, grade 1 to age 12

Unclaimed

Claim this place Already a provider on Ellerna? Sign in

Where

Address: 5400 Warrington Street
Philadelphia PA 19143
Phone: (215) 724-2343
Website: http://www.masterycharter.org/

Who it is for

Type: Public school
School type: Regular School
Age groups: Out-of-school care, kindergarten, Out-of-school care, grade 1 to age 12
Grades: Kindergarten to grade 12

School details

School board or district: Mastery CS-Hardy Williams
Region: Pennsylvania

About this listing

From the Common Core of Data, School Directory 2023-24 (National Center for Education Statistics), imported on October 10, 2026. U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD), 2023–24.

Dataset: US Dept of Education NCES – Common Core of Data, School Directory 2023-24 (Final v1a), as of October 1, 2023

Something wrong or out of date? Suggest a correction