allk12 · Rankings · Highest ratio · Delaware · New Castle County

The public schools with the highest student-to-teacher ratios in New Castle County, Delaware

108 public schools in New Castle County, Delaware appear in this ranking of the public schools with the highest student-to-teacher ratios, ranked by the most students per teacher, a proxy for larger classes. Freire Charter School leads the list at 23.9:1, against a median of 13.6:1 across the ranked schools.

Use the search box to find a specific school within this ranking, sort by any column, or export the full list. Built from NCES and state data for 2024-25.

Schools ranked

108

New Castle County, Delaware

Top Students/teacher

23.9:1

Median Students/teacher

13.6:1

HIGHEST RATIO · NEW CASTLE COUNTY, DELAWARE

#	School	City	District	Level	Students	Ratio
1	Freire Charter School	Wilmington, DE	Freire Charter School Wilmington	High	406	23.9:1
2	Charter School of New Castle	New Castle, DE	Charter School of New Castle	Elementary	788	22.5:1
3	Calloway (Cab) School of the Arts	Wilmington, DE	Red Clay Consolidated School District	High	941	19.6:1
4	First State Montessori Academy	Wilmington, DE	First State Montessori Academy	Elementary	657	19.3:1
5	Charter School of Wilmington	Wilmington, DE	Charter School of Wilmington	High	977	19.2:1
6	Academia Antonia Alonso	Newark, DE	Academia Antonia Alonso	Elementary	910	18.2:1
7	Conrad Schools of Science	Wilmington, DE	Red Clay Consolidated School District	High	1,164	18.2:1
8	Cantwells Bridge Middle School	Townsend, DE	Appoquinimink School District	Middle	852	17.9:1
9	Glasgow High School	Newark, DE	Christina School District	High	908	17.8:1
10	Penn (William) High School	New Castle, DE	Colonial School District	High	2,069	17.7:1
11	Cedar Lane Early Childhood Center	Middletown, DE	Appoquinimink School District	Elementary	265	17.7:1
12	McCullough (Calvin R. ) Middle School	New Castle, DE	Colonial School District	Middle	615	17.6:1
13	Waters (Alfred G.) Middle School	Middletown, DE	Appoquinimink School District	Middle	935	17.0:1
14	Christiana High School	Newark, DE	Christina School District	High	1,425	16.8:1
15	duPont (H.B.) Middle School	Hockessin, DE	Red Clay Consolidated School District	Middle	764	16.6:1
16	Wilbur (Kathleen H.) Elementary	Bear, DE	Colonial School District	Elementary	1,052	15.9:1
17	Lancashire Elementary School	Wilmington, DE	Brandywine School District	Elementary	510	15.9:1
18	Cedar Lane Elementary School	Middletown, DE	Appoquinimink School District	Elementary	634	15.8:1
19	Howard High School of Technology	Wilmington, DE	New Castle County Vocational-Technical School District	High	905	15.7:1
20	William F. Cooke Jr. Elementary	Hockessin, DE	Red Clay Consolidated School District	Elementary	613	15.7:1
21	Dickinson (John) School	Wilmington, DE	Red Clay Consolidated School District	High	1,027	15.6:1
22	Edison (Thomas A.) Charter School	Wilmington, DE	Edison (Thomas A.) Charter School	Elementary	557	15.5:1
23	Linden Hill Elementary School	Wilmington, DE	Red Clay Consolidated School District	Elementary	532	15.4:1
24	Middletown High School	Middletown, DE	Appoquinimink School District	High	1,231	15.4:1
25	Lorewood Grove Elementary School	Middletown, DE	Appoquinimink School District	Elementary	492	15.4:1
26	Brandywine Springs School	Wilmington, DE	Red Clay Consolidated School District	Elementary	941	15.3:1
27	Newark High School	Newark, DE	Christina School District	High	1,039	15.3:1
28	Appoquinimink High School	Middletown, DE	Appoquinimink School District	High	1,357	15.3:1
29	Mount Pleasant High School	Wilmington, DE	Brandywine School District	High	1,084	15.3:1
30	Marshall (Thurgood) Elementary School	Newark, DE	Christina School District	Elementary	529	15.1:1
31	Bedford (Gunning) Middle School	New Castle, DE	Colonial School District	Middle	846	15.1:1
32	Odessa High School	Townsend, DE	Appoquinimink School District	High	1,254	15.0:1
33	St. Georges Technical High School	Middletown, DE	New Castle County Vocational-Technical School District	High	1,198	15.0:1
34	Bunker Hill Elementary School	Middletown, DE	Appoquinimink School District	Elementary	566	14.9:1
35	Stanton Middle School	Wilmington, DE	Red Clay Consolidated School District	Middle	558	14.9:1
36	Concord High School	Wilmington, DE	Brandywine School District	High	994	14.8:1
37	Delaware Military Academy	Wilmington, DE	Delaware Military Academy	High	547	14.8:1
38	North Star Elementary School	Hockessin, DE	Red Clay Consolidated School District	Elementary	589	14.7:1
39	Crystal Run Elementary School	Middletown, DE	Appoquinimink School District	Elementary	427	14.7:1
40	Redding (Louis L.) Middle School	Middletown, DE	Appoquinimink School District	Middle	451	14.6:1
41	Talley Middle School	Wilmington, DE	Brandywine School District	Middle	900	14.5:1
42	Claymont Elementary School	Claymont, DE	Brandywine School District	Elementary	937	14.4:1
43	Lombardy Elementary School	Wilmington, DE	Brandywine School District	Elementary	466	14.3:1
44	Jones (Albert H.) Elementary School	Newark, DE	Christina School District	Elementary	329	14.3:1
45	Brick Mill Elementary School	Middletown, DE	Appoquinimink School District	Elementary	524	14.2:1
46	Meredith (Everett) Middle School	Middletown, DE	Appoquinimink School District	Middle	867	14.0:1
47	Old State Elementary School	Townsend, DE	Appoquinimink School District	Elementary	765	13.9:1
48	Silver Lake Elementary School	Middletown, DE	Appoquinimink School District	Elementary	552	13.8:1
49	duPont (Alexis I.) High School	Wilmington, DE	Red Clay Consolidated School District	High	550	13.8:1
50	Forwood Elementary School	Wilmington, DE	Brandywine School District	Elementary	384	13.7:1

Page 1 of 3 · top 108 of 108 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.