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allk12 · Rankings · Highest ratio · Pennsylvania · Delaware County

The public schools with the highest student-to-teacher ratios in Delaware County, Pennsylvania

Across Delaware County, Pennsylvania, 105 public schools are ranked here, ranked by the most students per teacher, a proxy for larger classes. Penn Wood 9th Grade Academy leads the list at 47.4:1, against a median of 13.2:1 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
105
Delaware County, Pennsylvania
Top Students/teacher
47.4:1
Median Students/teacher
13.2:1
HIGHEST RATIO · DELAWARE COUNTY, PENNSYLVANIA
#SchoolCityDistrictLevelStudentsRatio
1Penn Wood 9th Grade AcademyYeadon, PAWilliam Penn SDHigh37947.4:1
2Chester Community CSChester, PAChester Community CSElementary3,78220.6:1
3Edgmont Scholars AcademyChester, PAChester-Upland SDElementary42219.2:1
4Springfield HSSpringfield, PASpringfield SDHigh1,43417.5:1
5Upper Darby SHSDrexel Hill, PAUpper Darby SDHigh4,18717.0:1
6Glenwood El SchMedia, PARose Tree Media SDElementary58616.9:1
7Upper Darby Kdg CtrDrexel Hill, PAUpper Darby SDElementary46816.8:1
8Springfield Literacy CenterSpringfield, PASpringfield SDElementary57416.5:1
9Haverford SHSHavertown, PAHaverford Township SDHigh1,99416.4:1
10Chatham Park El SchHavertown, PAHaverford Township SDElementary58215.7:1
11Vision Academy CS of ExcellenceSharon Hills, PAVision Academy CS of ExcellenceElementary23515.7:1
12Chester HSChester, PAChester-Upland SDHigh80615.5:1
13Harris SchCollingdale, PASoutheast Delco SDElementary71515.5:1
14Scenic Hills El SchSpringfield, PASpringfield SDElementary67515.4:1
15Darby Twp SchGlenolden, PASoutheast Delco SDElementary61815.2:1
16Manoa El SchHavertown, PAHaverford Township SDElementary70615.1:1
17Rose Tree El SchMedia, PARose Tree Media SDElementary43915.1:1
18Marple Newtown SHSNewtown Square, PAMarple Newtown SDHigh1,26615.1:1
19Northley MSAston, PAPenn-Delco SDMiddle74814.9:1
20Academy Park HSSharon Hill, PASoutheast Delco SDHigh1,19414.7:1
21Sabold El SchSpringfield, PASpringfield SDElementary64114.7:1
22Aston El SchAston, PAPenn-Delco SDElementary40514.7:1
23Richardson MSSpringfield, PASpringfield SDMiddle1,08114.6:1
24STEM at ShowalterChester, PAChester-Upland SDHigh47714.4:1
25Ridley HSFolsom, PARidley SDHigh1,82514.4:1
26Media El SchMedia, PARose Tree Media SDElementary48814.4:1
27Glenolden SchGlenolden, PAInterboro SDElementary61414.4:1
28Springton Lake MSMedia, PARose Tree Media SDMiddle1,01214.3:1
29Highland Park El SchUpper Darby, PAUpper Darby SDElementary73714.2:1
30Wallingford El SchWallingford, PAWallingford-Swarthmore SDElementary60914.2:1
31Amosland El SchMorton, PARidley SDElementary47014.0:1
32Aldan El SchAldan, PAWilliam Penn SDElementary23814.0:1
33Bell Avenue SchoolYeadon, PAWilliam Penn SDElementary26513.9:1
34Lynnewood El SchHavertown, PAHaverford Township SDElementary58013.8:1
35East Lansdowne El SchEast Lansdowne, PAWilliam Penn SDElementary26913.8:1
36Grace Park El SchSwarthmore, PARidley SDElementary36613.8:1
37Haverford MSHavertown, PAHaverford Township SDMiddle1,57813.7:1
38Chester Upland Sch of ArtsChester, PAChester-Upland SDElementary38413.7:1
39Chestnutwold El SchArdmore, PAHaverford Township SDElementary56613.7:1
40Pennell El SchAston, PAPenn-Delco SDElementary41513.7:1
41Ridley MSRidley Park, PARidley SDMiddle1,29113.7:1
42Paxon Hollow MSBroomall, PAMarple Newtown SDMiddle86813.7:1
43Lakeview El SchRidley Park, PARidley SDElementary40313.6:1
44Main Street SchUpland, PAChester-Upland SDElementary34013.6:1
45Aronimink El SchDrexel Hill, PAUpper Darby SDElementary62613.5:1
46Beverly Hills MSUpper Darby, PAUpper Darby SDMiddle1,47513.5:1
47Swarthmore-Rutledge SchSwarthmore, PAWallingford-Swarthmore SDElementary56013.5:1
48Chichester SHSBoothwyn, PAChichester SDHigh98113.4:1
49Worrall El SchBroomall, PAMarple Newtown SDElementary44913.4:1
50Ithan El SchBryn Mawr, PARadnor Township SDElementary53813.4:1
Page 1 of 3 · top 105 of 105 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.