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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 2024-25
Total enrollment
74,663
-492 (-1%) vs SY 2017-18
School 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
White
63%
Hispanic
5%
Black
22%
Asian
6%
Two or more
6%
Native American
0%
Pacific Islander
0%
School enrollment
White
47%
Hispanic
8%
Black
31%
Asian
8%
Two or more
6%
Native American
0%
Pacific Islander
0%
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)
  1. Springfield HS· 91.9%
  2. Radnor SHS· 90.8%
  3. Radnor MS· 87.2%
  4. Haverford SHS· 86.3%
  5. Penncrest HS· 86.3%

See all 100 schools in Delaware County ranked by score →

All schools (113)

LargestA-ZTop rated
NameCityLevelGradesEnrollmentRating
Upper Darby SHSDrexel HillHigh09-124,187·
Chester Community CSChesterElementaryKG-083,782·
Haverford SHSHavertownHigh09-121,994·
Ridley HSFolsomHigh09-121,825·
Haverford MSHavertownMiddle06-081,578·
Garnet Valley HSGlen MillsHigh09-121,485·
Beverly Hills MSUpper DarbyMiddle06-081,475·
Springfield HSSpringfieldHigh09-121,434·
Ridley MSRidley ParkMiddle06-081,291·
Marple Newtown SHSNewtown SquareHigh09-121,266·
Penncrest HSMediaHigh09-121,255·
Drexel Hill MSDrexel HillMiddle06-081,244·
Academy Park HSSharon HillHigh09-121,194·
Strath Haven HSWallingfordHigh09-121,175·
Penn Wood HSLansdowneHigh09-121,148·
Radnor SHSRadnorHigh09-121,146·
Garnet Valley MSGlen MillsMiddle06-081,086·
Richardson MSSpringfieldMiddle06-081,081·
Interboro SHSProspect ParkHigh09-121,079·
Sun Valley HSAstonHigh09-121,042·
Springton Lake MSMediaMiddle06-081,012·
Chichester SHSBoothwynHigh09-12981·
Chichester MSBoothwynMiddle05-08873·
Paxon Hollow MSBroomallMiddle06-08868·
Strath Haven MSWallingfordMiddle06-08868·
Radnor MSWayneMiddle06-08808·
Chester HSChesterHigh09-12806·
Northley MSAstonMiddle06-08748·
Highland Park El SchUpper DarbyElementary01-05737·
Harris SchCollingdaleElementaryKG-08715·
Manoa El SchHavertownElementaryKG-05706·
Chester Charter Scholars Academy CSChesterCombinedKG-12701·
Garnet Valley El SchGlen MillsElementary03-05700·
Bywood El SchUpper DarbyElementary01-05683·
Scenic Hills El SchSpringfieldElementary02-05675·
Penn Wood MSDarbyMiddle07-08667·
Sabold El SchSpringfieldElementary02-05641·
Aronimink El SchDrexel HillElementaryKG-05626·
Darby Twp SchGlenoldenElementaryKG-08618·
Concord El SchGlen MillsElementaryKG-02617·
Glenolden SchGlenoldenElementary01-08614·
Wallingford El SchWallingfordElementaryKG-05609·
Glenwood El SchMediaElementaryKG-05586·
Chatham Park El SchHavertownElementaryKG-05582·
Lynnewood El SchHavertownElementaryKG-05580·
Springfield Literacy CenterSpringfieldElementaryKG-01574·
Chestnutwold El SchArdmoreElementaryKG-05566·
Swarthmore-Rutledge SchSwarthmoreElementaryKG-05560·
Norwood SchNorwoodElementary01-08557·
Delcroft SchFolcroftElementaryKG-08554·
Radnor El SchRadnorElementaryKG-05554·
Sharon Hill SchSharon HillElementaryKG-08552·
Hillcrest El SchDrexel HillElementaryKG-05551·
Vision Academy CSEast LansdowneElementaryPK-08547·
Prospect Park SchProspect ParkElementary01-08546·
Ithan El SchBryn MawrElementaryKG-05538·
Bethel Springs El SchGarnet ValleyElementaryKG-05537·
Ardmore Avenue El SchLansdowneElementaryKG-06535·
Garrettford El SchDrexel HillElementary01-05529·
Wayne El SchWayneElementaryKG-05525·
Culbertson El SchNewtown SquareElementaryKG-05523·
Primos El SchPrimosElementaryKG-05499·
Media El SchMediaElementaryKG-05488·
Nether Providence El SchWallingfordElementaryKG-05479·
STEM at ShowalterChesterHigh07-12477·
Coopertown El SchBryn MawrElementaryKG-05471·
Amosland El SchMortonElementaryKG-05470·
Indian Lane El SchMediaElementaryKG-05470·
Upper Darby Kdg CtrDrexel HillElementaryKG-KG468·
Westbrook Park El SchClifton HeightsElementaryKG-05468·
Worrall El SchBroomallElementaryKG-05449·
Rose Tree El SchMediaElementaryKG-05439·
Stonehurst Hills El SchUpper DarbyElementary01-05436·
Edgmont Scholars AcademyChesterElementaryPK-08422·
Pennell El SchAstonElementaryKG-05415·
Aston El SchAstonElementaryKG-05405·
Lakeview El SchRidley ParkElementaryKG-05403·
Russell El SchBroomallElementaryKG-05400·
Chester Upland Sch of ArtsChesterElementaryPK-05384·
Penn Wood 9th Grade AcademyYeadonHigh09-09379·
Loomis El SchBroomallElementaryKG-05376·
Grace Park El SchSwarthmoreElementaryKG-05366·
Toby Farms Intermediate SchoolChester TwpMiddle04-08359·
Edgewood El SchFolsomElementaryKG-05347·
Main Street SchUplandElementaryPK-05340·
Tinicum SchEssingtonElementary01-08325·
Woodlyn El SchWoodlynElementaryKG-05320·
Coebourn El SchBrookhavenElementaryKG-05319·
Park Lane El SchDarbyElementaryKG-06304·
W B Evans El SchYeadonElementaryKG-06304·
Leedom El SchRidley ParkElementaryKG-05291·
Hilltop El SchAstonElementaryKG-04290·
Charles Kelly El SchDrexel HillElementary01-05270·
Boothwyn El SchBoothwynElementaryKG-04269·
East Lansdowne El SchEast LansdowneElementaryKG-06269·
Bell Avenue SchoolYeadonElementaryKG-06265·
Walnut Street El SchDarbyElementaryKG-06255·
Parkside El SchParksideElementaryKG-05252·
Stetser El SchChesterElementaryPK-06251·
Linwood El SchLinwoodElementaryKG-04249·

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

How many public schools are in Delaware County?
Delaware County, Pennsylvania has 113 public K-12 schools serving approximately 74,663 students.
How many high schools are in Delaware County?
Delaware County, Pennsylvania has 20 public high schools, serving approximately 23,019 students.
How many middle schools are in Delaware County?
Delaware County, Pennsylvania has 14 public middle schools, serving approximately 13,958 students.
How many elementary schools are in Delaware County?
Delaware County, Pennsylvania has 75 public elementary schools, serving approximately 36,985 students.
What is the largest school district in Delaware County?
Upper Darby SD is the largest school district in Delaware County, serving approximately 12,173 students. The county contains 21 school districts overall.
What is the population of Delaware County?
Delaware County, Pennsylvania has a population of approximately 579,222, with a median age of 39. About 22.0% of residents are under 18.
What is the median household income in Delaware County?
Median household income in Delaware County is $89,546, above the Pennsylvania average of $71,313. About 7.4% of residents live below the federal poverty line.
How educated are residents of Delaware County?
Approximately 41.9% of adults 25 and older in Delaware County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Delaware County qualify for free or reduced lunch?
Roughly 57.8% of students in Delaware County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is lower than the Pennsylvania county average of 69.2%.
What is the student-teacher ratio in Delaware County schools?
Across Delaware County public schools, the enrollment-weighted student-teacher ratio is approximately 14.1 to 1.

Delaware County school rankings

Largest schoolsAll rankings →
DATA · Census ACS 5-year · NCES Common Core of Data