allk12 · Rankings · Lowest proficiency · Pennsylvania · Delaware County · High schools

The lowest-performing public high schools by test proficiency in Delaware County, Pennsylvania

This ranking covers the lowest-performing public high schools by test proficiency in Delaware County, Pennsylvania, drawn from 14 qualifying public high schools. STEM at Showalter leads the list at 18.0%, against a median of 56.3% across the ranked schools.

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Schools ranked

Delaware County, Pennsylvania

Best % Proficient

18.0%

Median % Proficient

56.3%

LOWEST PROFICIENCY · DELAWARE COUNTY, PENNSYLVANIA

#	School	City	District	Level	% FRL	Students	% Proficient
1	STEM at Showalter	Chester, PA	Chester-Upland SD	High	91.4%	477	18.0%
2	Penn Wood High School	Lansdowne, PA	William Penn SD	High	97.6%	1,148	21.9%
3	Upper Darby SHS	Drexel Hill, PA	Upper Darby SD	High	101%	4,187	30.6%
4	Chichester SHS	Boothwyn, PA	Chichester SD	High	60.9%	981	42.0%
5	Interboro SHS	Prospect Park, PA	Interboro SD	High	53.1%	1,079	46.3%
6	Sun Valley High School	Aston, PA	Penn-Delco SD	High	38.9%	1,042	51.6%
7	Ridley High School	Folsom, PA	Ridley SD	High	53.5%	1,825	51.7%
8	Marple Newtown SHS	Newtown Square, PA	Marple Newtown SD	High	27.5%	1,266	60.9%
9	Strath Haven High School	Wallingford, PA	Wallingford-Swarthmore SD	High	20.7%	1,175	77.0%
10	Penncrest High School	Media, PA	Rose Tree Media SD	High	20.7%	1,255	77.1%
11	Haverford SHS	Havertown, PA	Haverford Township SD	High	21.4%	1,994	79.6%
12	Garnet Valley High School	Glen Mills, PA	Garnet Valley SD	High	16.0%	1,485	80.0%
13	Springfield High School	Springfield, PA	Springfield SD	High	24.5%	1,434	82.3%
14	Radnor SHS	Radnor, PA	Radnor Township SD	High	16.0%	1,146	84.5%

Page 1 of 1 · top 14 of 14 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.