The most improved public high schools in Delaware are Christiana High School, Kent County Secondary Ilc and First State School.
A school's improvement is based on a its total rise in ranking spots during the last five years (2020-25).
Improved Rank Range: 0
167
Avg. Improved Rank: 41
Most Improved Public High Schools in Delaware (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Ranking Change (2020-25)
Grades
Location
Rank: #11.
Christiana High School
(Math: 56% | Reading: 68%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +167
(from 181 to 14)
(from 181 to 14)
Grades: 6-12
190 Salem Church Road
Newark, DE 19713
(302) 631-2400
Newark, DE 19713
(302) 631-2400
Rank: #22.
Kent County Secondary Ilc
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +156
(from 191 to 35)
(from 191 to 35)
Grades: 6-12
631 Ridgley Street- Suite 19
Dover, DE 19904
(302) 672-1500
Dover, DE 19904
(302) 672-1500
Rank: #33.
First State School
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +138
(from 173 to 35)
(from 173 to 35)
Grades: K-10
501 West 14th Street
Wilmington, DE 19899
(302) 320-5848
Wilmington, DE 19899
(302) 320-5848
Rank: #44.
Brandywine High School
(Math: 26% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +111
(from 173 to 62)
(from 173 to 62)
Grades: 9-12
1400 Foulk Road
Wilmington, DE 19803
(302) 479-1600
Wilmington, DE 19803
(302) 479-1600
Rank: #55.
Cape Henlopen High School
(Math: 32% | Reading: 60%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +102
(from 150 to 48)
(from 150 to 48)
Grades: 9-12
1250 Kings Highway
Lewes, DE 19958
(302) 645-7711
Lewes, DE 19958
(302) 645-7711
Rank: #66.
Delmar High School
(Math: 20-24% | Reading: 50-54%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +75
(from 149 to 74)
(from 149 to 74)
Grades: 9-12
200 North Eighth Street
Delmar, DE 19940
(302) 846-9544
Delmar, DE 19940
(302) 846-9544
Rank: #77.
Caesar Rodney High School
(Math: 30% | Reading: 55%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +63
(from 117 to 54)
(from 117 to 54)
Grades: 9-12
239 Old North Road
Camden Wyoming, DE 19934
(302) 697-2161
Camden Wyoming, DE 19934
(302) 697-2161
Rank: #88.
Smyrna High School
(Math: 22% | Reading: 44%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +61
(from 164 to 103)
(from 164 to 103)
Grades: 9-12
500 Duck Creek Parkway
Smyrna, DE 19977
(302) 653-8581
Smyrna, DE 19977
(302) 653-8581
Rank: #99.
Dickinson (John) School
(Math: 21% | Reading: 45%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +59
(from 170 to 111)
(from 170 to 111)
Grades: 6-12
1801 Milltown Road
Wilmington, DE 19808
(302) 992-5500
Wilmington, DE 19808
(302) 992-5500
Rank: #1010.
Lake Forest High School
(Math: 23% | Reading: 35-39%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +54
(from 170 to 116)
(from 170 to 116)
Grades: 9-12
5407 Killens Pond Road
Felton, DE 19943
(302) 284-9291
Felton, DE 19943
(302) 284-9291
Rank: #1111.
Appoquinimink High School
(Math: 28% | Reading: 55%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +52
(from 112 to 60)
(from 112 to 60)
Grades: 9-12
1080 Bunker Hill Road
Middletown, DE 19709
(302) 449-3840
Middletown, DE 19709
(302) 449-3840
Rank: #1212.
Concord High School
(Math: 27% | Reading: 55-59%)
Rank:
Rank:
8/
Top 30%10
Rank Change: +50
(from 108 to 58)
(from 108 to 58)
Grades: 9-12
2501 Ebright Road
Wilmington, DE 19810
(302) 475-3951
Wilmington, DE 19810
(302) 475-3951
Rank: #1313.
Mount Pleasant High School
(Math: 18% | Reading: 48%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +48
(from 154 to 106)
(from 154 to 106)
Grades: 9-12
5201 Washington Street Extensi
Wilmington, DE 19809
(302) 762-7125
Wilmington, DE 19809
(302) 762-7125
Rank: #1414.
Newark High School
(Math: 15-19% | Reading: 40-44%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +40
(from 162 to 122)
(from 162 to 122)
Grades: 8-12
750 East Delaware Avenue
Newark, DE 19711
(302) 631-4700
Newark, DE 19711
(302) 631-4700
Rank: #1515.
St. Georges Technical High School
Vocational School
(Math: 15% | Reading: 51%)
Rank:
Rank:
5/
Bottom 50%10
Rank Change: +39
(from 143 to 104)
(from 143 to 104)
Grades: 9-12
555 Hyetts Corner Rd.
Middletown, DE 19709
(302) 449-3360
Middletown, DE 19709
(302) 449-3360
Rank: #1616.
Conrad Schools Of Science
Magnet School
(Math: 47% | Reading: 65%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +38
(from 61 to 23)
(from 61 to 23)
Grades: 6-12
201 Jackson Avenue
Wilmington, DE 19804
(302) 992-5545
Wilmington, DE 19804
(302) 992-5545
Rank: #1717.
Dover High School
(Math: 15% | Reading: 37%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +36
(from 173 to 137)
(from 173 to 137)
Grades: 9-12
One Dover High Drive
Dover, DE 19904
(302) 241-2400
Dover, DE 19904
(302) 241-2400
Rank: #1818.
Leach (John G.) School
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
Rank Change: +34
(from 69 to 35)
(from 69 to 35)
Grades: PK-12
10 Landers Lane
New Castle, DE 19720
(302) 429-4055
New Castle, DE 19720
(302) 429-4055
Rank: #1919.
Penn (William) High School
(Math: 11% | Reading: 32%)
Rank:
Rank:
3/
Bottom 50%10
Rank Change: +21
(from 178 to 157)
(from 178 to 157)
Grades: 9-12
713 East Basin Road
New Castle, DE 19720
(302) 323-2800
New Castle, DE 19720
(302) 323-2800
Rank: #2020.
Indian River High School
(Math: 24% | Reading: 48%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +18
(from 99 to 81)
(from 99 to 81)
Grades: 9-12
29772 Armory Road
Frankford, DE 19945
(302) 732-1500
Frankford, DE 19945
(302) 732-1500
Rank: #2121.
Laurel Senior High School
(Math: 10-14% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
Rank Change: +15
(from 167 to 152)
(from 167 to 152)
Grades: 9-12
1133 South Central Avenue
Laurel, DE 19956
(302) 875-6120
Laurel, DE 19956
(302) 875-6120
Rank: #2222.
Polytech High School
Vocational School
(Math: 22% | Reading: 49%)
Rank:
Rank:
6/
Top 50%10
Rank Change: +10
(from 94 to 84)
(from 94 to 84)
Grades: 9-12
823 Walnut Shade Road, 823 Wal
Woodside, DE 19980
(302) 697-3255
Woodside, DE 19980
(302) 697-3255
Rank: #2323.
Mot Charter School
Charter School
(Math: 60% | Reading: 72%)
Rank:
Rank:
10/
Top 10%10
Rank Change: +9
(from 19 to 10)
(from 19 to 10)
Grades: K-12
1156 Levels Road
Middletown, DE 19709
(302) 376-5125
Middletown, DE 19709
(302) 376-5125
Rank: #2424.
Positive Outcomes Charter School
Charter School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
1/
Bottom 50%10
Rank Change: +8
(from 188 to 180)
(from 188 to 180)
Grades: 7-12
3337 South Dupont Highway
Camden Wyoming, DE 19934
(302) 697-8805
Camden Wyoming, DE 19934
(302) 697-8805
Rank: #2525.
Middletown High School
(Math: 26% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +6
(from 76 to 70)
(from 76 to 70)
Grades: 9-12
120 Silver Lake Road
Middletown, DE 19709
(302) 376-4141
Middletown, DE 19709
(302) 376-4141
Rank: #2626.
Glasgow High School
(Math: ≤5% | Reading: 20-24%)
Rank:
Rank:
1/
Bottom 50%10
Rank Change: +5
(from 187 to 182)
(from 187 to 182)
Grades: 9-12
1901 South College Avenue
Newark, DE 19702
(302) 631-5600
Newark, DE 19702
(302) 631-5600
Rank: #27 - 2827. - 28.
Woodbridge High School
(Math: 10-14% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
Rank Change: +4
(from 156 to 152)
(from 156 to 152)
Grades: 9-12
14712 Woodbridge Road
Greenwood, DE 19950
(302) 232-3333
Greenwood, DE 19950
(302) 232-3333
Rank: #27 - 2827. - 28.
Seaford Senior High School
(Math: 10-14% | Reading: 25-29%)
Rank:
Rank:
2/
Bottom 50%10
Rank Change: +4
(from 167 to 163)
(from 167 to 163)
Grades: 9-12
399 North Market Street Ext
Seaford, DE 19973
(302) 629-4587
Seaford, DE 19973
(302) 629-4587
Rank: #2929.
Delcastle Technical High School
Vocational School
(Math: 10% | Reading: 36%)
Rank:
Rank:
3/
Bottom 50%10
Rank Change: +3
(from 159 to 156)
(from 159 to 156)
Grades: 9-12
1417 Newport Road
Wilmington, DE 19804
(302) 995-8100
Wilmington, DE 19804
(302) 995-8100
Rank: #3030.
Delaware Military Academy
Charter School
(Math: 20-24% | Reading: 60-64%)
Rank:
Rank:
7/
Top 50%10
Rank Change: +1
(from 67 to 66)
(from 67 to 66)
Grades: 9-12
112 Middleboro Road
Wilmington, DE 19804
(302) 998-0745
Wilmington, DE 19804
(302) 998-0745
Rank: #31 - 3231. - 32.
Charter School Of Wilmington
Charter School
(Math: 87% | Reading: 94%)
Rank:
Rank:
10/
Top 1%10
Rank Change: +0
(from 1 to 1)
(from 1 to 1)
Grades: 9-12
100 North Dupont Road
Wilmington, DE 19807
(302) 651-2727
Wilmington, DE 19807
(302) 651-2727
Rank: #31 - 3231. - 32.
Sussex Central High School
(Math: 24% | Reading: 28%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +0
(from 133 to 133)
(from 133 to 133)
Grades: 9-12
26026 Patriots Way
Georgetown, DE 19947
(302) 934-3166
Georgetown, DE 19947
(302) 934-3166
Rank: #3333.
Newark Charter School
Charter School
(Math: 66% | Reading: 74%)
Rank:
Rank:
10/
Top 5%10
Rank Change: +-1
(from 3 to 4)
(from 3 to 4)
Grades: K-12
200 Mcintire Drive
Newark, DE 19711
(302) 369-2001
Newark, DE 19711
(302) 369-2001
Rank: #3434.
Milford Senior High School
(Math: 16% | Reading: 38%)
Rank:
Rank:
4/
Bottom 50%10
Rank Change: +-3
(from 131 to 134)
(from 131 to 134)
Grades: 9-12
1019 North Walnut Street
Milford, DE 19963
(302) 422-1610
Milford, DE 19963
(302) 422-1610
Rank: #35 - 3635. - 36.
Sussex Academy
Charter School
(Math: 57% | Reading: 78%)
Rank:
Rank:
10/
Top 5%10
Rank Change: +-6
(from 2 to 8)
(from 2 to 8)
Grades: K-12
21150 Airport Road
Georgetown, DE 19947
(302) 856-3636
Georgetown, DE 19947
(302) 856-3636
Show 18 more public schools in DE (out of 53 total schools)
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