Colonial School District serves 9,132 students across 15 schools in New Castle County, Delaware, operating as a suburban district with a student-teacher ratio of 14.0:1. The district experienced a 4.2% enrollment decline from the prior year, suggesting demographic or retention shifts in its service area.
Academically, Colonial's proficiency levels fall below state averages. Math proficiency stands at 18.2% compared to the state average of 30.5%, while reading proficiency is 23.7% against a state average of 39.5%. The graduation rate of 83.3% similarly trails the state average of 88.3%, indicating potential challenges in student academic achievement and completion.
The district serves a student population with significant support needs. Approximately 36.2% of students are economically disadvantaged, 14.6% are English learners, and 26.9% receive special education services. These demographics suggest higher-than-average concentrations of students requiring specialized instruction and resources.
Financially, Colonial's per-pupil spending of $10,985 exceeds the state average of $8,195, with a total budget of $205.5 million. Revenue sources are diversified: 54.3% from state funds, 37.4% from local sources, and 8.3% from federal funding. The higher spending relative to state averages, combined with lower academic outcomes, suggests the district allocates substantial resources toward serving its student population's needs, though academic results may indicate implementation or capacity considerations.
This summary was generated by AI from public data sources. Last updated May 4, 2026.
This data is aggregated from state and federal public datasets. While we believe it is accurate, we always recommend confirming it on the corresponding state or federal site. See Data Notes for more.
Total Students
9,132
Schools
15
Per-Pupil Spending
$10,985
Data Sources: NCES Common Core of Data, NCES F-33 Finance Survey, EDFacts
Federal Data Year: 2022-23
State Data Year: 2024-25
Note: Some data may be unavailable for certain districts or years. Proficiency rates reflect state-specific assessment standards.
Math Proficiency
18.2%
Staff counts are Full-Time Equivalent (FTE) from NCES 2024-25 data.
Smarter Balanced assessment results show the percentage of students meeting or exceeding standards (Level 3+4). Delaware uses Smarter Balanced for grades 3-8 and high school.
Delaware School Success Framework (DSSF) uses a component-based system rather than letter grades. Schools are evaluated on Academic Achievement, Growth, School Quality, and Progress of English Learners.
Source: Delaware Open Data Portal (data.delaware.gov), 2024-25 School Year