allk12 · Rankings · Lowest proficiency · Pennsylvania · Delaware County

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

87 public schools in Delaware County, Pennsylvania appear in this ranking of the lowest-performing public schools by test proficiency, ranked by the lowest composite state-assessment proficiency. Toby Farms Intermediate School leads the list at 7.2%, against a median of 55.2% 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

Delaware County, Pennsylvania

Best % Proficient

7.2%

Median % Proficient

55.2%

LOWEST PROFICIENCY · DELAWARE COUNTY, PENNSYLVANIA

#	School	City	District	Level	% FRL	Students	% Proficient
1	Toby Farms Intermediate School	Chester Twp, PA	Chester-Upland SD	Middle	87.5%	359	7.2%
2	Chester Community CS	Chester, PA	Chester Community CS	Elementary	99.9%	3,782	8.1%
3	Beverly Hills Middle School	Upper Darby, PA	Upper Darby SD	Middle	101%	1,475	17.1%
4	Penn Wood Middle School	Darby, PA	William Penn SD	Middle	95.2%	667	17.5%
5	STEM at Showalter	Chester, PA	Chester-Upland SD	High	91.4%	477	18.0%
6	Bywood Elementary School	Upper Darby, PA	Upper Darby SD	Elementary	95.3%	683	19.2%
7	Bell Avenue School	Yeadon, PA	William Penn SD	Elementary	90.6%	265	19.8%
8	Penn Wood High School	Lansdowne, PA	William Penn SD	High	97.6%	1,148	21.9%
9	Drexel Hill Middle School	Drexel Hill, PA	Upper Darby SD	Middle	104%	1,244	22.2%
10	Main Street School	Upland, PA	Chester-Upland SD	Elementary	88.5%	340	23.9%
11	Park Lane Elementary School	Darby, PA	William Penn SD	Elementary	103%	304	23.9%
12	Harris School	Collingdale, PA	Southeast Delco SD	Elementary	96.2%	715	24.0%
13	Stetser Elementary School	Chester, PA	Chester-Upland SD	Elementary	92.0%	251	24.7%
14	Aldan Elementary School	Aldan, PA	William Penn SD	Elementary	98.3%	238	25.6%
15	Sharon Hill School	Sharon Hill, PA	Southeast Delco SD	Elementary	96.2%	552	26.9%
16	Darby Twp School	Glenolden, PA	Southeast Delco SD	Elementary	101%	618	29.1%
17	Ardmore Avenue Elementary School	Lansdowne, PA	William Penn SD	Elementary	102%	535	30.0%
18	Upper Darby SHS	Drexel Hill, PA	Upper Darby SD	High	101%	4,187	30.6%
19	Highland Park Elementary School	Upper Darby, PA	Upper Darby SD	Elementary	95.7%	737	33.4%
20	Chichester Middle School	Boothwyn, PA	Chichester SD	Middle	67.5%	873	33.6%
21	Garrettford Elementary School	Drexel Hill, PA	Upper Darby SD	Elementary	105%	529	34.5%
22	W B Evans Elementary School	Yeadon, PA	William Penn SD	Elementary	100%	304	37.0%
23	Glenolden School	Glenolden, PA	Interboro SD	Elementary	58.5%	614	37.9%
24	Ridley Middle School	Ridley Park, PA	Ridley SD	Middle	56.7%	1,291	37.9%
25	Hillcrest Elementary School	Drexel Hill, PA	Upper Darby SD	Elementary	103%	551	38.1%
26	Primos Elementary School	Primos, PA	Upper Darby SD	Elementary	93.0%	499	38.3%
27	Marcus Hook Elementary School	Marcus Hook, PA	Chichester SD	Elementary	91.1%	237	39.9%
28	Linwood Elementary School	Linwood, PA	Chichester SD	Elementary	78.7%	249	41.1%
29	Chichester SHS	Boothwyn, PA	Chichester SD	High	60.9%	981	42.0%
30	Aronimink Elementary School	Drexel Hill, PA	Upper Darby SD	Elementary	84.3%	626	42.3%
31	Eddystone Elementary School	Eddystone, PA	Ridley SD	Elementary	87.6%	226	43.0%
32	Woodlyn Elementary School	Woodlyn, PA	Ridley SD	Elementary	76.3%	320	43.7%
33	Norwood School	Norwood, PA	Interboro SD	Elementary	51.2%	557	44.1%
34	Tinicum School	Essington, PA	Interboro SD	Elementary	56.3%	325	45.5%
35	Northley Middle School	Aston, PA	Penn-Delco SD	Middle	35.4%	748	46.0%
36	Interboro SHS	Prospect Park, PA	Interboro SD	High	53.1%	1,079	46.3%
37	Prospect Park School	Prospect Park, PA	Interboro SD	Elementary	56.2%	546	47.5%
38	Edgewood Elementary School	Folsom, PA	Ridley SD	Elementary	50.4%	347	50.9%
39	Sun Valley High School	Aston, PA	Penn-Delco SD	High	38.9%	1,042	51.6%
40	Ridley High School	Folsom, PA	Ridley SD	High	53.5%	1,825	51.7%
41	Coebourn Elementary School	Brookhaven, PA	Penn-Delco SD	Elementary	44.8%	319	51.8%
42	Lakeview Elementary School	Ridley Park, PA	Ridley SD	Elementary	43.2%	403	53.3%
43	Leedom Elementary School	Ridley Park, PA	Ridley SD	Elementary	56.7%	291	54.5%
44	Grace Park Elementary School	Swarthmore, PA	Ridley SD	Elementary	36.1%	366	55.2%
45	Boothwyn Elementary School	Boothwyn, PA	Chichester SD	Elementary	53.5%	269	57.2%
46	Aston Elementary School	Aston, PA	Penn-Delco SD	Elementary	31.9%	405	57.4%
47	Pennell Elementary School	Aston, PA	Penn-Delco SD	Elementary	30.6%	415	57.5%
48	Amosland Elementary School	Morton, PA	Ridley SD	Elementary	42.8%	470	59.6%
49	Paxon Hollow Middle School	Broomall, PA	Marple Newtown SD	Middle	28.8%	868	59.9%
50	Parkside Elementary School	Parkside, PA	Penn-Delco SD	Elementary	54.0%	252	60.5%

Page 1 of 2 · top 87 of 87 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.