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

The public high schools with the lowest student-to-teacher ratios in Chester County, Pennsylvania

Across Chester County, Pennsylvania, 17 public high schools are ranked here, ranked by the fewest students per teacher, a proxy for class size and staffing. Unionville HS leads the list at 12.6:1, against a median of 14.3:1 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 Students/teacher

12.6:1

Median Students/teacher

14.3:1

LOWEST RATIO · CHESTER COUNTY, PENNSYLVANIA

#	School	City	District	Level	Students	Ratio
1	Unionville HS	Kennett Square, PA	Unionville-Chadds Ford SD	High	1,263	12.6:1
2	West Chester Bayard Rustin HS	West Chester, PA	West Chester Area SD	High	1,159	12.7:1
3	West Chester East HS	West Chester, PA	West Chester Area SD	High	1,216	13.0:1
4	Downingtown HS West Campus	Downingtown, PA	Downingtown Area SD	High	1,796	13.1:1
5	West Chester Henderson HS	West Chester, PA	West Chester Area SD	High	1,444	13.1:1
6	Downingtown HS East Campus	Exton, PA	Downingtown Area SD	High	1,708	13.2:1
7	Oxford Area High School	Oxford, PA	Oxford Area SD	High	1,089	14.0:1
8	Phoenixville Area HS	Phoenixville, PA	Phoenixville Area SD	High	1,194	14.1:1
9	Downingtown STEM Academy	Downingtown, PA	Downingtown Area SD	High	962	14.3:1
10	Octorara Area JSHS	Atglen, PA	Octorara Area SD	High	703	14.5:1
11	Kennett High School	Kennett Square, PA	Kennett Consolidated SD	High	1,184	14.7:1
12	Conestoga SHS	Berwyn, PA	Tredyffrin-Easttown SD	High	2,264	14.7:1
13	Owen J Roberts HS	Pottstown, PA	Owen J Roberts SD	High	1,810	14.8:1
14	Coatesville Area SHS	Coatesville, PA	Coatesville Area SD	High	1,366	15.3:1
15	Coatesville Intermediate HS	Coatsville, PA	Coatesville Area SD	High	826	15.9:1
16	Great Valley HS	Malvern, PA	Great Valley SD	High	1,481	16.1:1
17	Avon Grove HS	West Grove, PA	Avon Grove SD	High	1,744	17.1:1

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.