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

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

Across Chester County, Pennsylvania, 17 public high schools are ranked here, ranked by the lowest composite state-assessment proficiency. Coatesville Intermediate High School leads the list at 22.0%, against a median of 66.3% across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

Chester County, Pennsylvania

Best % Proficient

22.0%

Median % Proficient

66.3%

LOWEST PROFICIENCY · CHESTER COUNTY, PENNSYLVANIA

#	School	City	District	Level	% FRL	Students	% Proficient
1	Coatesville Intermediate High School	Coatsville, PA	Coatesville Area SD	High	98.7%	826	22.0%
2	Coatesville Area SHS	Coatesville, PA	Coatesville Area SD	High	103%	1,366	28.5%
3	Octorara Area JSHS	Atglen, PA	Octorara Area SD	High	99.6%	703	39.8%
4	Kennett High School	Kennett Square, PA	Kennett Consolidated SD	High	51.2%	1,184	46.5%
5	Oxford Area High School	Oxford, PA	Oxford Area SD	High	102%	1,089	52.5%
6	Phoenixville Area High School	Phoenixville, PA	Phoenixville Area SD	High	36.7%	1,194	58.1%
7	West Chester Bayard Rustin High School	West Chester, PA	West Chester Area SD	High	19.9%	1,159	61.1%
8	Owen J Roberts High School	Pottstown, PA	Owen J Roberts SD	High	21.9%	1,810	64.5%
9	West Chester East High School	West Chester, PA	West Chester Area SD	High	24.1%	1,216	66.3%
10	West Chester Henderson High School	West Chester, PA	West Chester Area SD	High	21.8%	1,444	67.2%
11	Avon Grove High School	West Grove, PA	Avon Grove SD	High	33.9%	1,744	69.7%
12	Downingtown HS East Campus	Exton, PA	Downingtown Area SD	High	20.3%	1,708	71.5%
13	Downingtown HS West Campus	Downingtown, PA	Downingtown Area SD	High	18.9%	1,796	71.8%
14	Great Valley High School	Malvern, PA	Great Valley SD	High	21.7%	1,481	75.8%
15	Conestoga SHS	Berwyn, PA	Tredyffrin-Easttown SD	High	10.5%	2,264	80.4%
16	Unionville High School	Kennett Square, PA	Unionville-Chadds Ford SD	High	8.2%	1,263	81.6%
17	Downingtown STEM Academy	Downingtown, PA	Downingtown Area SD	High	5.7%	962	99.3%

Page 1 of 1 · top 17 of 17 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.