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Colonial School District Schools
Colonial School District is a public school district in Delaware, based in New Castle County (New Castle). SchoolGrade grades 14 of its schools on actual versus projected test scores; every school below has its own page.
Colonial School District on the map
District boundary from the NCES EDGE composite school district file. Each marker is a graded school; click it for its grade and scores.
SchoolGrade summary for Colonial School District
12 of 14 schools in Colonial School District carry a SchoolGrade (2 have too little test data to grade). Grade distribution:
C: 2D: 7F: 3
Best schools in Colonial School District
Statewide rankings: all 39 high schools in Delaware · all 31 middle schools in Delaware · all 109 elementary schools in Delaware
The ten highest SchoolGrades in the district. Grades reward actual test performance against the projection for each school's student context, so a B in a high-poverty school can outrank an A- elsewhere on impact.
- C+ Penn William High School (High school, exceeds expectations)
- C- Wilbur Kathleen H Elementary (Elementary school, doesn't meet expectations)
- D Bedford Gunning Middle School (Middle school, underperforms expectations)
- D Read George Middle School (Middle school, meets expectations)
- D Southern Elementary School (Elementary school, underperforms expectations)
- D Pleasantville Elementary School (Elementary school, doesn't meet expectations)
- D- Castle Hills Elementary School (Elementary school, meets expectations)
- D- New Castle Elementary School (Elementary school, doesn't meet expectations)
- D- Wilmington Manor Elementary School (Elementary school, underperforms expectations)
- F Downie Carrie Elementary School (Elementary school, doesn't meet expectations)
Every school in Colonial School District
High schools (1)
- C+ Penn William High School, New Castle
Middle and junior high schools (3)
- D Bedford Gunning Middle School, New Castle
- F Mccullough Calvin R Middle School, New Castle
- D Read George Middle School, New Castle
Elementary and primary schools (8)
- D- Castle Hills Elementary School, New Castle
- F Downie Carrie Elementary School, New Castle
- F Eisenberg Harry O Elementary School, New Castle
- D- New Castle Elementary School, New Castle
- D Pleasantville Elementary School, New Castle
- D Southern Elementary School, New Castle
- C- Wilbur Kathleen H Elementary, Bear
- D- Wilmington Manor Elementary School, New Castle
Other schools and academies (2)
- Leach John G School, New Castle
- The Colwyck Center, New Castle
Where Colonial School District schools are
Cities and towns served (2)
- New Castle (13)
- Bear (1)
About this district
- State: Best schools in Delaware
- County: New Castle County
- Type: regular local school district
- Setting: large suburb (NCES locale of the district office)
- Enrollment: 8,778 students with 609 full-time-equivalent teachers and 1,349 total staff FTE (NCES CCD, 2023-24)
- NCES district ID: 1000230
- Grades are the 2025-26 SchoolGrade model: each school's actual proficiency against the level projected for its student context. How SchoolGrade works
Nearby school districts
- Christina School District (27 schools, 9 mi)
- Red Clay Consolidated School District (27 schools, 11 mi)
- Brandywine School District (16 schools, 12 mi)
- Appoquinimink School District (20 schools, 13 mi)
- Smyrna School District (8 schools, 22 mi)
- Capital School District (13 schools, 30 mi)
- Caesar Rodney School District (15 schools, 36 mi)
- Lake Forest School District (7 schools, 45 mi)
Questions about Colonial School District
How many schools are in Colonial School District?
SchoolGrade grades 14 public schools in Colonial School District, across 2 cities and towns. Every one of them is listed on this page with a link to its own report.
Which cities does Colonial School District serve?
The largest by graded schools: New Castle, Bear.
How good are the schools in Colonial School District?
Across the 12 graded schools, the average SchoolGrade is D-, with 17.2% of tested students meeting the state bar against a projected 23%. 33% of schools meet or exceed the expectation for their student context.
How many students attend Colonial School District?
8,778 students were enrolled in Colonial School District in the 2023-24 school year, about 14.4 students per full-time teacher (NCES Common Core of Data).
Where is Colonial School District?
Colonial School District is in Delaware, based in New Castle County, with its district office in New Castle. Its boundary covers about 78.8 sq mi.