allk12 · Rankings · Largest · Pennsylvania · Delaware County

The largest public schools in Delaware County, Pennsylvania

This ranking covers the largest public schools in Delaware County, Pennsylvania, drawn from 108 qualifying public schools. Upper Darby SHS leads the list at 4,187, against a median of 542 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

108

Delaware County, Pennsylvania

Top Students

4,187

Median Students

542

LARGEST · DELAWARE COUNTY, PENNSYLVANIA

#	School	City	District	Level	Students
1	Upper Darby SHS	Drexel Hill, PA	Upper Darby SD	High	4,187
2	Chester Community CS	Chester, PA	Chester Community CS	Elementary	3,782
3	Haverford SHS	Havertown, PA	Haverford Township SD	High	1,994
4	Ridley HS	Folsom, PA	Ridley SD	High	1,825
5	Haverford MS	Havertown, PA	Haverford Township SD	Middle	1,578
6	Garnet Valley HS	Glen Mills, PA	Garnet Valley SD	High	1,485
7	Beverly Hills MS	Upper Darby, PA	Upper Darby SD	Middle	1,475
8	Springfield HS	Springfield, PA	Springfield SD	High	1,434
9	Ridley MS	Ridley Park, PA	Ridley SD	Middle	1,291
10	Marple Newtown SHS	Newtown Square, PA	Marple Newtown SD	High	1,266
11	Penncrest HS	Media, PA	Rose Tree Media SD	High	1,255
12	Drexel Hill MS	Drexel Hill, PA	Upper Darby SD	Middle	1,244
13	Academy Park HS	Sharon Hill, PA	Southeast Delco SD	High	1,194
14	Strath Haven HS	Wallingford, PA	Wallingford-Swarthmore SD	High	1,175
15	Penn Wood HS	Lansdowne, PA	William Penn SD	High	1,148
16	Radnor SHS	Radnor, PA	Radnor Township SD	High	1,146
17	Garnet Valley MS	Glen Mills, PA	Garnet Valley SD	Middle	1,086
18	Richardson MS	Springfield, PA	Springfield SD	Middle	1,081
19	Interboro SHS	Prospect Park, PA	Interboro SD	High	1,079
20	Sun Valley HS	Aston, PA	Penn-Delco SD	High	1,042
21	Springton Lake MS	Media, PA	Rose Tree Media SD	Middle	1,012
22	Chichester SHS	Boothwyn, PA	Chichester SD	High	981
23	Chichester MS	Boothwyn, PA	Chichester SD	Middle	873
24	Paxon Hollow MS	Broomall, PA	Marple Newtown SD	Middle	868
25	Strath Haven MS	Wallingford, PA	Wallingford-Swarthmore SD	Middle	868
26	Radnor MS	Wayne, PA	Radnor Township SD	Middle	808
27	Chester HS	Chester, PA	Chester-Upland SD	High	806
28	Northley MS	Aston, PA	Penn-Delco SD	Middle	748
29	Highland Park El Sch	Upper Darby, PA	Upper Darby SD	Elementary	737
30	Harris Sch	Collingdale, PA	Southeast Delco SD	Elementary	715
31	Manoa El Sch	Havertown, PA	Haverford Township SD	Elementary	706
32	Garnet Valley El Sch	Glen Mills, PA	Garnet Valley SD	Elementary	700
33	Bywood El Sch	Upper Darby, PA	Upper Darby SD	Elementary	683
34	Scenic Hills El Sch	Springfield, PA	Springfield SD	Elementary	675
35	Penn Wood MS	Darby, PA	William Penn SD	Middle	667
36	Sabold El Sch	Springfield, PA	Springfield SD	Elementary	641
37	Aronimink El Sch	Drexel Hill, PA	Upper Darby SD	Elementary	626
38	Darby Twp Sch	Glenolden, PA	Southeast Delco SD	Elementary	618
39	Concord El Sch	Glen Mills, PA	Garnet Valley SD	Elementary	617
40	Glenolden Sch	Glenolden, PA	Interboro SD	Elementary	614
41	Wallingford El Sch	Wallingford, PA	Wallingford-Swarthmore SD	Elementary	609
42	Glenwood El Sch	Media, PA	Rose Tree Media SD	Elementary	586
43	Chatham Park El Sch	Havertown, PA	Haverford Township SD	Elementary	582
44	Lynnewood El Sch	Havertown, PA	Haverford Township SD	Elementary	580
45	Springfield Literacy Center	Springfield, PA	Springfield SD	Elementary	574
46	Chestnutwold El Sch	Ardmore, PA	Haverford Township SD	Elementary	566
47	Swarthmore-Rutledge Sch	Swarthmore, PA	Wallingford-Swarthmore SD	Elementary	560
48	Norwood Sch	Norwood, PA	Interboro SD	Elementary	557
49	Radnor El Sch	Radnor, PA	Radnor Township SD	Elementary	554
50	Delcroft Sch	Folcroft, PA	Southeast Delco SD	Elementary	554

Page 1 of 3 · top 108 of 108 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

All schools in Delaware County →

Largest rankings at a wider scope

All Pennsylvania Nationwide

Other rankings for Delaware County, Pennsylvania

Most diverse Lowest ratio Highest proficiency Fastest growing Highest poverty Lowest poverty Highest ratio Fastest declining Lowest proficiency Most Hispanic Most Black Most White Most Asian

All ranking categories →

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.