For the 2025 school year, there are 22 public high schools serving 25,039 students in Delaware County, PA. The top ranked public high schools in Delaware County, PA are Garnet Valley High School, Radnor Sr. High School and Harriton Sr. High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Delaware County, PA public high schools have an average math proficiency score of 57% (versus the Pennsylvania public high school average of 40%), and reading proficiency score of 67% (versus the 58% statewide average). High schools in Delaware County have an average ranking of 9/10, which is in the top 20% of Pennsylvania public high schools.
Delaware County, PA public high school have a Graduation Rate of 89%, which is more than the Pennsylvania average of 88%.
The school with highest graduation rate is Harriton Sr. High School, with ≥99% graduation rate. Read more about public school graduation rate statistics in Pennsylvania or national school graduation rate statistics.
Minority enrollment is 51% of the student body (majority Black), which is more than the Pennsylvania public high school average of 39% (majority Black and Hispanic).
Best Public High Schools in Delaware County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Garnet Valley High School
(Math: 90-94% | Reading: 91%)
Rank:
Rank:
10/
Top 1%10
552 Smithbridge Rd
Glen Mills, PA 19342
(610) 579-7745
Glen Mills, PA 19342
(610) 579-7745
Grades: 9-12
| 1,500 students
Rank: #22.
Radnor Sr. High School
(Math: 85-89% | Reading: 95%)
Rank:
Rank:
10/
Top 1%10
130 King Of Prussia Rd
Wayne, PA 19087
(610) 293-0855
Wayne, PA 19087
(610) 293-0855
Grades: 9-12
| 1,175 students
Rank: #33.
Harriton Sr. High School
(Math: 81% | Reading: 91%)
Rank:
Rank:
10/
Top 5%10
600 N Ithan Ave
Bryn Mawr, PA 19010
(610) 658-3950
Bryn Mawr, PA 19010
(610) 658-3950
Grades: 9-12
| 1,206 students
Rank: #44.
Strath Haven High School
(Math: 75-79% | Reading: 87%)
Rank:
Rank:
10/
Top 5%10
205 S Providence Rd
Wallingford, PA 19086
(610) 892-3470
Wallingford, PA 19086
(610) 892-3470
Grades: 9-12
| 1,189 students
Rank: #55.
Haverford Sr. High School
(Math: 90-94% | Reading: 78%)
Rank:
Rank:
10/
Top 5%10
200 Mill Rd
Havertown, PA 19083
(610) 853-5900
Havertown, PA 19083
(610) 853-5900
Grades: 9-12
| 2,020 students
Rank: #66.
Marple Newtown Sr. High School
(Math: 85-89% | Reading: 75-79%)
Rank:
Rank:
10/
Top 5%10
120 Media Line Rd
Newtown Square, PA 19073
(610) 359-4218
Newtown Square, PA 19073
(610) 359-4218
Grades: 9-12
| 1,245 students
Rank: #77.
Penncrest High School
(Math: 90-94% | Reading: 65-69%)
Rank:
Rank:
9/
Top 20%10
134 Barren Rd
Media, PA 19063
(610) 627-6201
Media, PA 19063
(610) 627-6201
Grades: 9-12
| 1,227 students
Rank: #88.
Springfield High School
(Math: 54% | Reading: 82%)
Rank:
Rank:
9/
Top 20%10
200 S Rolling Road
Springfield, PA 19064
(610) 938-6100
Springfield, PA 19064
(610) 938-6100
Grades: 9-12
| 1,364 students
Rank: #99.
Interboro Sr. High School
(Math: 80-84% | Reading: <50%)
Rank:
Rank:
7/
Top 50%10
16th & Amosland Road
Prospect Park, PA 19076
(610) 237-6410
Prospect Park, PA 19076
(610) 237-6410
Grades: 9-12
| 1,073 students
Rank: #1010.
Chichester Sr. High School
(Math: 40-44% | Reading: 60-64%)
Rank:
Rank:
6/
Top 50%10
3333 Chichester Ave
Marcus Hook, PA 19061
(610) 485-6881
Marcus Hook, PA 19061
(610) 485-6881
Grades: 9-12
| 987 students
Rank: #1111.
Academy Park High School
(Math: 60-69% | Reading: <50%)
Rank:
Rank:
6/
Top 50%10
300 Calcon Hook Rd
Sharon Hill, PA 19079
(610) 522-4330
Sharon Hill, PA 19079
(610) 522-4330
Grades: 9-12
| 1,286 students
Rank: #1212.
Sun Valley High School
(Math: 44% | Reading: 60%)
Rank:
Rank:
6/
Top 50%10
2881 Pancoast Ave
Aston, PA 19014
(610) 497-6300
Aston, PA 19014
(610) 497-6300
Grades: 9-12
| 1,056 students
Rank: #1313.
Ridley High School
(Math: 33% | Reading: 65%)
Rank:
Rank:
6/
Top 50%10
901 Morton Avenue
Folsom, PA 19033
(610) 237-8034
Folsom, PA 19033
(610) 237-8034
Grades: 9-12
| 1,888 students
Rank: #1414.
Upper Darby Sr. High School
(Math: 51% | Reading: 50%)
Rank:
Rank:
5/
Bottom 50%10
601 North Lansdowne Avenue
Drexel Hill, PA 19026
(610) 622-7000
Drexel Hill, PA 19026
(610) 622-7000
Grades: 9-12
| 4,231 students
Rank: #1515.
Delaware County Technical High School - Aston
Vocational School
(Math: <50% | Reading: <50% )
Rank:
Rank:
4/
Bottom 50%10
100 Crozerville Road
Aston, PA 19014
(610) 459-3050
Aston, PA 19014
(610) 459-3050
Grades: 9-12
| 39 students
Rank: #1616.
Penn Wood High School
(Math: 40-44% | Reading: 39%)
Rank:
Rank:
4/
Bottom 50%10
100 Green Avenue
Lansdowne, PA 19050
(610) 284-8080
Lansdowne, PA 19050
(610) 284-8080
Grades: 9-12
| 1,118 students
Rank: #1717.
Chester Charter Scholars Academy Charter School
Charter School
(Math: 6% | Reading: 38%)
Rank:
Rank:
2/
Bottom 50%10
1500 Highland Avenue
Chester, PA 19013
(610) 859-3010
Chester, PA 19013
(610) 859-3010
Grades: K-12
| 684 students
Rank: #1818.
Delaware County Technical High School - Folcroft
Vocational School
(Math: ≤20% | Reading: 21-39% )
Rank:
Rank:
2/
Bottom 50%10
701 Henderson Boulevard
Folcroft, PA 19032
(610) 583-7620
Folcroft, PA 19032
(610) 583-7620
Grades: 9-12
| 63 students
Rank: #1919.
Stem At Showalter
(Math: ≤10% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
1100 West 10th Street
Chester, PA 19013
(610) 447-3401
Chester, PA 19013
(610) 447-3401
Grades: 7-12
| 436 students
Rank: #2020.
Chester High School
(Math: ≤5% | Reading: 10-14%)
Rank:
Rank:
1/
Bottom 50%10
232 West 9th St
Chester, PA 19013
(610) 447-3700
Chester, PA 19013
(610) 447-3700
Grades: 9-12
| 863 students
Rank: n/an/a
Delaware County Technical High School - Marple
Vocational School
85 Malin Road
Aston, PA 19014
(610) 583-7620
Aston, PA 19014
(610) 583-7620
Grades: 9-12
| n/a students
Rank: n/an/a
600 Cypress St
Lansdowne, PA 19050
(610) 284-8000
Lansdowne, PA 19050
(610) 284-8000
Grades: 9
| 389 students
Delaware County Public Schools (Closed)
School
Location
Grades
Students
4611 Bond Ave
Drexel Hill, PA 19026
(610) 853-4510
Drexel Hill, PA 19026
(610) 853-4510
Grades: 1-5
| 264 students
801 Ashland Avenue
Glenolden, PA 19036
(610) 522-4375
Glenolden, PA 19036
(610) 522-4375
Grades: 5-8
| 391 students
Chester Charter School (Closed 2005)
Charter School
2717 W 10th Street
Chester, PA 19013
(610) 497-9282
Chester, PA 19013
(610) 497-9282
Grades: K-9
| 424 students
1100 West 10th St
Chester, PA 19013
(610) 499-2100
Chester, PA 19013
(610) 499-2100
Grades: 9-12
| 365 students
Chester Upland Stem Magnet High School (Closed 2014)
Magnet School
1701 Upland St
Chester, PA 19013
(610) 447-3660
Chester, PA 19013
(610) 447-3660
Grades: 9-12
| 377 students
320 West 10th St
Chester, PA 19013
(610) 447-3801
Chester, PA 19013
(610) 447-3801
Grades: PK-5
| 336 students
487 Devon Park Drive, Suite 20
Wayne, PA 19087
(215) 380-4809
Wayne, PA 19087
(215) 380-4809
Grades: K-6
| 412 students
100 College Ave
Swarthmore, PA 19081
(610) 892-3470
Swarthmore, PA 19081
(610) 892-3470
Grades: K
| 175 students
501 W 9th St
Chester, PA 19013
(610) 447-3777
Chester, PA 19013
(610) 447-3777
Grades: 6-8
| 291 students
600 Cypress St
Lansdowne, PA 19050
(610) 626-3223
Lansdowne, PA 19050
(610) 626-3223
Grades: 9-10
| 844 students
100 Green Ave
Lansdowne, PA 19050
(610) 284-8080
Lansdowne, PA 19050
(610) 284-8080
Grades: 11-12
| 775 students
26 And Wharton Sts
Philadelphia, PA 19113
(215) 952-6571
Philadelphia, PA 19113
(215) 952-6571
Grades: 7-12
| 226 students
1100 West 10th St
Chester, PA 19013
(610) 447-3650
Chester, PA 19013
(610) 447-3650
Grades: 6-8
| 348 students
1555 Elmwood Ave
Folcroft, PA 19032
(610) 522-4381
Folcroft, PA 19032
(610) 522-4381
Grades: 7-12
| 42 students
test 444 (Closed 2021)
Special Education School
1001 Eagle Road
Wayne, PA 19087
(145) 668-6223
Wayne, PA 19087
(145) 668-6223
Grades: PK-2
| 100 students
test456 (Closed 2021)
Special Education School
1001 Eagle Road
Wayne, PA 19087
(610) 989-1345
Wayne, PA 19087
(610) 989-1345
Grades: PK-6
| 168 students
201 Bridgewater Rd
Brookhaven, PA 19015
(610) 447-3815
Brookhaven, PA 19015
(610) 447-3815
Grades: PK-8
| 527 students
200 Commerce Dr
Aston, PA 19014
(610) 494-2100
Aston, PA 19014
(610) 494-2100
Grades: PK-8
| 442 students
200 Commerce Drive
Aston, PA 19014
(610) 494-2100
Aston, PA 19014
(610) 494-2100
Grades: PK-12
| 490 students
224 S 6th St
Darby, PA 19023
(610) 534-5660
Darby, PA 19023
(610) 534-5660
Grades: K-8
| 614 students
15 East Lamont Avenue
Glenolden, PA 19036
(610) 957-5114
Glenolden, PA 19036
(610) 957-5114
Grades: 1-5
| 275 students
319 E 24th St
Chester, PA 19013
(610) 447-3790
Chester, PA 19013
(610) 447-3790
Grades: 7-8
| 158 students
Widener Partnership Charter School (Closed 2023)
Charter School
1450 Edgemont Ave
Chester, PA 19013
(610) 872-1358
Chester, PA 19013
(610) 872-1358
Grades: K-8
| 402 students
2800 Township Line Rd
Chester, PA 19013
(610) 447-3695
Chester, PA 19013
(610) 447-3695
Grades: K-5
| 358 students
Frequently Asked Questions
What are the top ranked public high schools in Delaware County, PA?
The top ranked public high schools in Delaware County, PA include Garnet Valley High School, Radnor Sr. High School and Harriton Sr. High School. Delaware County has one of the highest concentrations of top ranked public schools in Pennsylvania.
How many public high schools are located in Delaware County?
22 public high schools are located in Delaware County.
What is the racial composition of students in Delaware County?
Delaware County public high schools minority enrollment is 51% of the student body (majority Black), which is more than the Pennsylvania public high schools average of 39% (majority Black and Hispanic).
Which public high schools in Delaware County are often viewed compared to one another?
Popular comparisons of public high schools in Delaware County include: Stem At Showalter vs. Chester High School, Delaware County Technical High School - Marple vs. Delaware County Technical High School - Folcroft, Delaware County Technical High School - Marple vs. Delaware County Technical High School - Aston
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