The average student-teacher ratio in Delaware public high schools is approximately 15:1 (2025).
Student-Teacher Ratio Range: 3:1
17:1
Avg. Student-Teacher Ratio: 12:1
Public High Schools Student-Teacher Ratio Statistics in Delaware (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Student-Teacher Ratio
Grades
Location
Rank: #1 - 21. - 2.
Delaware School For The Deaf
Special Education School
(Math: ≤10% | Reading: ≤10%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 3:1
Grades: PK-12
630 East Chestnut Hill Road
Newark, DE 19713
(302) 454-2301
Newark, DE 19713
(302) 454-2301
Rank: #1 - 21. - 2.
First State School
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 3:1
Grades: K-10
501 West 14th Street
Wilmington, DE 19899
(302) 320-5848
Wilmington, DE 19899
(302) 320-5848
Rank: #3 - 53. - 5.
Brennen School
Special Education School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: PK-12
144 Brennen Drive
Newark, DE 19713
(302) 722-2758
Newark, DE 19713
(302) 722-2758
Rank: #3 - 53. - 5.
Leach (John G.) School
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 5:1
Grades: PK-12
10 Landers Lane
New Castle, DE 19720
(302) 429-4055
New Castle, DE 19720
(302) 429-4055
Rank: #3 - 53. - 5.
Sussex Consortium
Special Education School
(Math: ≤10% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: PK-12
17344 Sweetbriar Road
Lewes, DE 19958
(302) 645-7210
Lewes, DE 19958
(302) 645-7210
Rank: #6 - 76. - 7.
John S. Charlton School
Special Education School
(Math: ≤5% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 6:1
Grades: PK-12
278 Sorghum Mill Rd.
Camden Wyoming, DE 19934
(302) 698-4800
Camden Wyoming, DE 19934
(302) 698-4800
Rank: #6 - 76. - 7.
Kent County Secondary Ilc
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 6:1
Grades: 6-12
631 Ridgley Street- Suite 19
Dover, DE 19904
(302) 672-1500
Dover, DE 19904
(302) 672-1500
Rank: #88.
Ennis (Howard T.) School
Special Education School
(Math: ≤5% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 8:1
Grades: PK-12
26021 Patriots Way
Georgetown, DE 19947
(302) 856-1930
Georgetown, DE 19947
(302) 856-1930
Rank: #9 - 109. - 10.
Meadowood Program
Alternative School
(Math: ≤10% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 9:1
Grades: K-12
55a South Meadowood Drive
Newark, DE 19711
(302) 454-3400
Newark, DE 19711
(302) 454-3400
Rank: #9 - 109. - 10.
Positive Outcomes Charter School
Charter School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 9:1
Grades: 7-12
3337 South Dupont Highway
Camden Wyoming, DE 19934
(302) 697-8805
Camden Wyoming, DE 19934
(302) 697-8805
Rank: #11 - 1211. - 12.
Kent County Community School
Special Education School
(Math: <50%)
Student-Teacher Ratio: 12:1
Grades: PK-12
65-1 Carver Road
Dover, DE 19904
(302) 672-1960
Dover, DE 19904
(302) 672-1960
Rank: #11 - 1211. - 12.
Odyssey Charter School
Charter School
(Math: 44% | Reading: 58%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 12:1
Grades: K-12
4409 Lancaster Pike
Wilmington, DE 19805
(302) 516-8000
Wilmington, DE 19805
(302) 516-8000
Rank: #13 - 1613. - 16.
Delcastle Technical High School
Vocational School
(Math: 10% | Reading: 36%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 13:1
Grades: 9-12
1417 Newport Road
Wilmington, DE 19804
(302) 995-8100
Wilmington, DE 19804
(302) 995-8100
Rank: #13 - 1613. - 16.
Indian River High School
(Math: 24% | Reading: 48%)
Rank:
Rank:
6/
Top 50%10
Student-Teacher Ratio: 13:1
Grades: 9-12
29772 Armory Road
Frankford, DE 19945
(302) 732-1500
Frankford, DE 19945
(302) 732-1500
Rank: #13 - 1613. - 16.
Mckean (Thomas) High School
(Math: ≤5% | Reading: 15-19%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 13:1
Grades: 9-12
301 Mckennan's Church Road
Wilmington, DE 19808
(302) 992-5520
Wilmington, DE 19808
(302) 992-5520
Rank: #13 - 1613. - 16.
Polytech High School
Vocational School
(Math: 22% | Reading: 49%)
Rank:
Rank:
6/
Top 50%10
Student-Teacher Ratio: 13:1
Grades: 9-12
823 Walnut Shade Road, 823 Wal
Woodside, DE 19980
(302) 697-3255
Woodside, DE 19980
(302) 697-3255
Rank: #17 - 2317. - 23.
Brandywine High School
(Math: 26% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 14:1
Grades: 9-12
1400 Foulk Road
Wilmington, DE 19803
(302) 479-1600
Wilmington, DE 19803
(302) 479-1600
Rank: #17 - 2317. - 23.
Concord High School
(Math: 27% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 14:1
Grades: 9-12
2501 Ebright Road
Wilmington, DE 19810
(302) 475-3951
Wilmington, DE 19810
(302) 475-3951
Rank: #17 - 2317. - 23.
Dupont (Alexis I.) High School
(Math: 10-14% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
Student-Teacher Ratio: 14:1
Grades: 9-12
50 Hillside Road
Wilmington, DE 19807
(302) 651-2626
Wilmington, DE 19807
(302) 651-2626
Rank: #17 - 2317. - 23.
Hodgson (Paul M.) Vocational Technical High School
Vocational School
(Math: 9% | Reading: 28%)
Rank:
Rank:
2/
Bottom 50%10
Student-Teacher Ratio: 14:1
Grades: 9-12
2575 Glasgow Avenue
Newark, DE 19702
(302) 834-0990
Newark, DE 19702
(302) 834-0990
Rank: #17 - 2317. - 23.
Howard High School Of Technology
Vocational School
(Math: ≤5% | Reading: 15-19%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 14:1
Grades: 9-12
401 East 12th Street
Wilmington, DE 19801
(302) 571-5400
Wilmington, DE 19801
(302) 571-5400
Rank: #17 - 2317. - 23.
Middletown High School
(Math: 26% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 14:1
Grades: 9-12
120 Silver Lake Road
Middletown, DE 19709
(302) 376-4141
Middletown, DE 19709
(302) 376-4141
Rank: #17 - 2317. - 23.
Sussex Central High School
(Math: 24% | Reading: 28%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 14:1
Grades: 9-12
26026 Patriots Way
Georgetown, DE 19947
(302) 934-3166
Georgetown, DE 19947
(302) 934-3166
Rank: #24 - 3224. - 32.
Appoquinimink High School
(Math: 28% | Reading: 55%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 15:1
Grades: 9-12
1080 Bunker Hill Road
Middletown, DE 19709
(302) 449-3840
Middletown, DE 19709
(302) 449-3840
Rank: #24 - 3224. - 32.
Cape Henlopen High School
(Math: 32% | Reading: 60%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 15:1
Grades: 9-12
1250 Kings Highway
Lewes, DE 19958
(302) 645-7711
Lewes, DE 19958
(302) 645-7711
Rank: #24 - 3224. - 32.
Freire Charter School
Charter School
(Math: ≤5% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 15:1
Grades: 8-12
201 West 14th Street
Wilmington, DE 19801
(302) 407-4800
Wilmington, DE 19801
(302) 407-4800
Rank: #24 - 3224. - 32.
Great Oaks Charter School
Charter School
(Math: ≤10% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
Student-Teacher Ratio: 15:1
Grades: 9-12
1200 North French St
Wilmington, DE 19801
(302) 332-6110
Wilmington, DE 19801
(302) 332-6110
Rank: #24 - 3224. - 32.
Las Americas Aspira Academy
Charter School
(Math: 15% | Reading: 34%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 15:1
Grades: K-12
326 Ruthar Drive
Newark, DE 19711
(302) 292-1463
Newark, DE 19711
(302) 292-1463
Rank: #24 - 3224. - 32.
Mount Pleasant High School
(Math: 18% | Reading: 48%)
Rank:
Rank:
5/
Bottom 50%10
Student-Teacher Ratio: 15:1
Grades: 9-12
5201 Washington Street Extensi
Wilmington, DE 19809
(302) 762-7125
Wilmington, DE 19809
(302) 762-7125
Rank: #24 - 3224. - 32.
St. Georges Technical High School
Vocational School
(Math: 15% | Reading: 51%)
Rank:
Rank:
5/
Bottom 50%10
Student-Teacher Ratio: 15:1
Grades: 9-12
555 Hyetts Corner Rd.
Middletown, DE 19709
(302) 449-3360
Middletown, DE 19709
(302) 449-3360
Rank: #24 - 3224. - 32.
Sussex Technical High School
Vocational School
(Math: 15% | Reading: 50%)
Rank:
Rank:
5/
Bottom 50%10
Student-Teacher Ratio: 15:1
Grades: 9-12
17099 County Seat Highway
Georgetown, DE 19947
(302) 856-0961
Georgetown, DE 19947
(302) 856-0961
Rank: #24 - 3224. - 32.
Woodbridge High School
(Math: 10-14% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 15:1
Grades: 9-12
14712 Woodbridge Road
Greenwood, DE 19950
(302) 232-3333
Greenwood, DE 19950
(302) 232-3333
Rank: #33 - 3433. - 34.
Newark High School
(Math: 15-19% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 16:1
Grades: 8-12
750 East Delaware Avenue
Newark, DE 19711
(302) 631-4700
Newark, DE 19711
(302) 631-4700
Rank: #33 - 3433. - 34.
Odessa High School
(Math: 25%)
Student-Teacher Ratio: 16:1
Grades: 9-12
570 Tony Marchio Drive
Townsend, DE 19734
(302) 842-2625
Townsend, DE 19734
(302) 842-2625
Rank: #35 - 4235. - 42.
Caesar Rodney High School
(Math: 30% | Reading: 55%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 17:1
Grades: 9-12
239 Old North Road
Camden Wyoming, DE 19934
(302) 697-2161
Camden Wyoming, DE 19934
(302) 697-2161
Show 20 more public schools in DE (out of 55 total schools)
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Frequently Asked Questions
What is the Delaware average public high schools student-teacher ratio?
The Delaware average public high schools student-teacher ratio is 15:1 for 2025.
What are the public high schools with the lowest student-teacher ratio in Delaware?
The best top ranked public high schools in Delaware include Delaware School For The Deaf, First State School and Brennen School.
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