Total enrollment
74,663
-492 (-1%) vs SY 2017-18
Delaware County
Pennsylvania · Public K-12
Delaware County reports 113 public K-12 schools and roughly 74,663 students enrolled, per NCES, with a mix of 75 elementary, 14 middle, and 20 high.
7-year change in Delaware County
SY 2017-18 vs SY 2024-25School count
109
+3 (+3%) vs SY 2017-18
% White
47%
was 52%
% Hispanic
8%
was 5%
% Black
31%
was 32%
% Asian
8%
was 7%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Residents
579,222
all ages · ACS 5-yr
Schools
113
21 districts
Enrollment
74,663
students · NCES CCD
Median income
$89,546
Above Pennsylvania avg
Free/reduced lunch
57.8%
Below Pennsylvania avg
Elementary
75
36,985 students
Middle
14
13,958 students
High
20
23,019 students
Combined / other
4
701 students
LARGEST DISTRICT
Upper Darby SD
12,173 students · 21 districts in Delaware County
County vs. school enrollment demographics
Left bar is the racial makeup of Delaware County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
41.9%
adults 25+
Poverty rate
7.4%
ACS 5-year
Unemployment
6.9%
civilian labor
Median age
39
22.0% under 18
Test scores in Delaware County
Latest 2024-25 ELA proficiency, 100 schools ranked. Pennsylvania state average: 51.1%.
Top 5 schools (ELA)
- Springfield HS· 91.9%
- Radnor SHS· 90.8%
- Radnor MS· 87.2%
- Haverford SHS· 86.3%
- Penncrest HS· 86.3%
Lowest 5 schools (ELA)
- Chester Upland Sch of Arts· 7.0%
- Edgmont Scholars Academy· 8.4%
- Toby Farms Intermediate School· 9.3%
- Chester Community CS· 10.0%
- Stetser El Sch· 12.6%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Kindergarten Academy | Prospect Park | Elementary | KG-KG | 245 | · |
| Aldan El Sch | Aldan | Elementary | KG-06 | 238 | · |
| Marcus Hook El Sch | Marcus Hook | Elementary | KG-04 | 237 | · |
| Vision Academy CS of Excellence | Sharon Hills | Elementary | KG-04 | 235 | · |
| Eddystone El Sch | Eddystone | Elementary | KG-05 | 226 | · |
| Southeast Delco Kindergarten Center | Glenolden | Elementary | KG-KG | 222 | · |
| Colwyn El Sch | Colwyn | Elementary | KG-06 | 135 | · |
| Delaware County Technical High School - Aston | Aston | High | 09-12 | 80 | · |
| Delaware County Technical High School - Folcroft | Folcroft | High | 09-12 | 66 | · |
| Delaware County Technical High School - Marple | Bromall | High | 09-12 | 0 | · |
| Aronimink El Sch | Drexel Hill | Combined | M-M | · | · |
| Walter M Senkow El Sch | Glenolden | Combined | M-M | · | · |
| Widener Partnership CS | Chester | Combined | M-M | · | · |
Cities in Delaware County
Chester8 schoolsDrexel Hill8 schoolsAston6 schoolsMedia6 schoolsHavertown5 schoolsSpringfield5 schoolsBroomall4 schoolsGlen Mills4 schoolsGlenolden4 schoolsUpper Darby4 schoolsWallingford4 schoolsBoothwyn3 schoolsDarby3 schoolsProspect Park3 schoolsRidley Park3 schoolsYeadon3 schoolsBryn Mawr2 schoolsEast Lansdowne2 schoolsFolcroft2 schoolsFolsom2 schoolsLansdowne2 schoolsNewtown Square2 schoolsRadnor2 schoolsSharon Hill2 schoolsSwarthmore2 schoolsWayne2 schoolsAldan1 schoolArdmore1 schoolBromall1 schoolBrookhaven1 schoolChester Twp1 schoolClifton Heights1 schoolCollingdale1 schoolColwyn1 schoolEddystone1 schoolEssington1 schoolGarnet Valley1 schoolLinwood1 schoolMarcus Hook1 schoolMorton1 schoolNorwood1 schoolParkside1 schoolPrimos1 schoolSharon Hills1 schoolUpland1 schoolWoodlyn1 school
About Delaware County
In Pennsylvania, Delaware County is a population-heavy county of about 579,222 residents. 113 public schools across the county educates about 74,663 students between them.
Looking at the wider area, census numbers show typical household earnings sit around $89,546, roughly 42% of adults have completed at least a four-year degree, and the federal-poverty share is near 7%. That income level is 26% higher than the Pennsylvania median.
On the level-by-level breakdown, Delaware County comprises 75 elementary schools (36,985 students), 14 middle schools (13,958), 20 high schools (23,019), and 4 combined or other schools.
Upper Darby SD is the biggest district by enrollment, covering about 12,173 students across Delaware County.
Five-year track record. Across the same 7-year window, public-school enrollment remained close to its prior level: 75,155 students in SY 2017-18 versus 74,663 in SY 2024-25. Delaware County now counts 109 public schools, up from 106 in SY 2017-18. On the demographic side, White enrollment moved from 52% to 47% over the same window.
In the discussion threads here, the community for Delaware County discusses enrollment trends, district policy changes, and bus-route updates. Posts come from current and former families, staff, and alumni.
Frequently asked questions
Delaware County school rankings
DATA · Census ACS 5-year · NCES Common Core of Data