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

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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.