Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 106 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 115 Deprecated: Return type of Phpfastcache\Util\ArrayObject::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 130 Deprecated: Return type of Phpfastcache\Util\ArrayObject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 48 Deprecated: Return type of Phpfastcache\Util\ArrayObject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 56 Deprecated: Return type of Phpfastcache\Util\ArrayObject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Util/ArrayObject.php on line 80 Deprecated: Return type of Phpfastcache\Drivers\Memcached\Item::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/devzheng/workspace/psr/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Core/Item/ItemExtendedTrait.php on line 438 Best Public High Schools in Delaware County (2026)
Public School Review - Established 2003

Best Delaware County Public High Schools (2026)

For the 2026 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 Harriton Sr. High School, Radnor Sr. High School and Springfield 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 38% (versus the Pennsylvania public high school average of 30%), 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 90%, which is more than the Pennsylvania average of 88%.
The school with highest graduation rate is Garnet Valley High School, with 98% 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 40% (majority Hispanic and Black).

Best Public High Schools in Delaware County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Harriton Sr. High School
(Math: 78% | Reading: 91%)
Rank:
10/
10
Top 5%
600 N Ithan Ave
Bryn Mawr, PA 19010
(610) 658-3950
Gr: 9-12 | 1,239 students Student-teacher ratio: 11:1 Minority enrollment: 35%
Rank: #22.
Radnor Sr. High School
(Math: 72% | Reading: 95%)
Rank:
10/
10
Top 5%
130 King Of Prussia Rd
Wayne, PA 19087
(610) 293-0855
Gr: 9-12 | 1,146 students Student-teacher ratio: 12:1 Minority enrollment: 31%
Rank: #33.
Springfield High School
(Math: 76% | Reading: 82%)
Rank:
10/
10
Top 5%
200 S Rolling Road
Springfield, PA 19064
(610) 938-6100
Gr: 9-12 | 1,434 students Student-teacher ratio: 17:1 Minority enrollment: 24%
Rank: #44.
Strath Haven High School
(Math: 59% | Reading: 87%)
Rank:
10/
10
Top 10%
205 S Providence Rd
Wallingford, PA 19086
(610) 892-3470
Gr: 9-12 | 1,175 students Student-teacher ratio: 13:1 Minority enrollment: 29%
Rank: #55.
Haverford Sr. High School
(Math: 53% | Reading: 78%)
Rank:
9/
10
Top 20%
200 Mill Rd
Havertown, PA 19083
(610) 853-5900
Gr: 9-12 | 1,994 students Student-teacher ratio: 16:1 Minority enrollment: 21%
Rank: #66.
Garnet Valley High School
(Math: 43% | Reading: 91%)
Rank:
9/
10
Top 20%
552 Smithbridge Rd
Glen Mills, PA 19342
(610) 579-7745
Gr: 9-12 | 1,485 students Student-teacher ratio: 13:1 Minority enrollment: 31%
Rank: #77.
Penncrest High School
(Math: 55-59% | Reading: 65-69%)
Rank:
8/
10
Top 30%
134 Barren Rd
Media, PA 19063
(610) 627-6201
Gr: 9-12 | 1,255 students Student-teacher ratio: 13:1 Minority enrollment: 25%
Rank: #88.
Marple Newtown Sr. High School
(Math: 40-44% | Reading: 75-79%)
Rank:
8/
10
Top 30%
120 Media Line Rd
Newtown Square, PA 19073
(610) 359-4218
Gr: 9-12 | 1,266 students Student-teacher ratio: 15:1 Minority enrollment: 19%
Rank: #99.
Ridley High School
(Math: 47% | Reading: 65%)
Rank:
7/
10
Top 50%
901 Morton Avenue
Folsom, PA 19033
(610) 237-8034
Gr: 9-12 | 1,825 students Student-teacher ratio: 14:1 Minority enrollment: 34%
Rank: #1010.
Chichester Sr. High School
(Math: 37% | Reading: 60-64%)
Rank:
6/
10
Top 50%
3333 Chichester Ave
Marcus Hook, PA 19061
(610) 485-6881
Gr: 9-12 | 981 students Student-teacher ratio: 13:1 Minority enrollment: 52%
Rank: #1111.
Sun Valley High School
(Math: 39% | Reading: 60%)
Rank:
6/
10
Top 50%
2881 Pancoast Ave
Aston, PA 19014
(610) 497-6300
Gr: 9-12 | 1,042 students Student-teacher ratio: 13:1 Minority enrollment: 22%
Rank: #1212.
Delaware County Technical High School - Aston
Vocational School
(Math: <50% | Reading: <50% )
Rank:
4/
10
Bottom 50%
100 Crozerville Road
Aston, PA 19014
(610) 459-3050
Gr: 9-12 | 80 students Student-teacher ratio: 4:1 Minority enrollment: 66%
Rank: #1313.
Interboro Sr. High School
(Math: ≤20% | Reading: <50%)
Rank:
3/
10
Bottom 50%
16th & Amosland Road
Prospect Park, PA 19076
(610) 237-6410
Gr: 9-12 | 1,079 students Student-teacher ratio: 12:1 Minority enrollment: 35%
Rank: #1414.
Upper Darby Sr. High School
(Math: 10% | Reading: 50%)
Rank:
2/
10
Bottom 50%
601 North Lansdowne Avenue
Drexel Hill, PA 19026
(610) 622-7000
Gr: 9-12 | 4,187 students Student-teacher ratio: 17:1 Minority enrollment: 85%
Rank: #1515.
Academy Park High School
(Math: 5% | Reading: <50%)
Rank:
2/
10
Bottom 50%
300 Calcon Hook Rd
Sharon Hill, PA 19079
(610) 522-4330
Gr: 9-12 | 1,194 students Student-teacher ratio: 15:1 Minority enrollment: 91%
Rank: #1616.
Chester Charter Scholars Academy Charter School
Charter School
(Math: 8% | Reading: 38%)
Rank:
2/
10
Bottom 50%
1500 Highland Avenue
Chester, PA 19013
(610) 859-3010
Gr: K-12 | 701 students Student-teacher ratio: 13:1 Minority enrollment: 99%
Rank: #1717.
Penn Wood High School
(Math: 5% | Reading: 39%)
Rank:
2/
10
Bottom 50%
100 Green Avenue
Lansdowne, PA 19050
(610) 284-8080
Gr: 9-12 | 1,148 students Student-teacher ratio: 13:1 Minority enrollment: 97%
Rank: #1818.
Delaware County Technical High School - Folcroft
Vocational School
(Math: ≤20% | Reading: 21-39% )
Rank:
2/
10
Bottom 50%
701 Henderson Boulevard
Folcroft, PA 19032
(610) 583-7620
Gr: 9-12 | 66 students Student-teacher ratio: 3:1 Minority enrollment: 73%
Rank: #1919.
Stem At Showalter
(Math: ≤5% | Reading: 25-29%)
Rank:
1/
10
Bottom 50%
1100 West 10th Street
Chester, PA 19013
(610) 447-3401
Gr: 7-12 | 477 students Student-teacher ratio: 14:1 Minority enrollment: 99%
Rank: #2020.
Chester High School
(Math: ≤10% | Reading: 10-14%)
Rank:
1/
10
Bottom 50%
232 West 9th St
Chester, PA 19013
(610) 447-3700
Gr: 9-12 | 806 students Student-teacher ratio: 16:1 Minority enrollment: 99%
Rank: n/an/a
Delaware County Technical High School - Marple
Vocational School
85 Malin Road
Aston, PA 19014
(484) 423-7003
Gr: 9-12
Rank: n/an/a
Penn Wood 9th Grade Academy
600 Cypress St
Lansdowne, PA 19050
(610) 284-8000
Gr: 9 | 379 students Student-teacher ratio: 47:1 Minority enrollment: 96%

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 Harriton Sr. High School, Radnor Sr. High School and Springfield 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 40% (majority Hispanic and Black).
Which public high schools in Delaware County are often viewed compared to one another?

Recent Articles

AI Report Cards: Should Schools Evaluate AI Use?
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.

Quick Links

School Search Tools:
School by Type (PA):
Private & Boarding Schools:
State Links:

Most Popular Articles

School Rankings by Category
School Rankings by Category
 15 Failures of U.S. Public Education in 2025
15 Failures of U.S. Public Education in 2025
Education Funding in America (2025 Update)
Education Funding in America (2025 Update)
 Hello Budget Cuts, Goodbye Sports: The Threat to Athletics
Hello Budget Cuts, Goodbye Sports: The Threat to Athletics
 Uniforms: The Pros and Cons
Uniforms: The Pros and Cons

More Articles

Parenting and Learning Issues
Local School Topics
Public School Jobs
Opinion
Evaluating Public Schools