Best Schools in New Castle, Delaware
17 schools · 9 Elementary · 3 Middle · 1 High · 4 Other
Choosing a school in New Castle?
Use this page to compare every school in New Castle by level, neighborhood, and district — and find the right fit, not just the top of the list.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
The Colwyck Center
Other · Colonial School District. Ranked from real test data; compare it on the map and table below.
Eisenberg (harry O.) Elementary School
Elementary · Colonial School District. Ranked from real test data; compare it on the map and table below.
Charter School of New Castle
Elementary · Charter School of New Castle. Ranked from real test data; compare it on the map and table below.
The short answer
The top-rated schools in New Castle for 2026 are The Colwyck Center (8.7/10), Eisenberg (harry O.) Elementary School (7.5/10), and Charter School of New Castle (6.0/10), based on MySchoolScout's analysis of real test data across 14 rated schools. Ratings blend student growth, poverty-adjusted academic achievement, and school environment (plus college readiness for high schools), with equity shown as context, not scored; schools with estimated (proxy) scores are excluded from this ranking.
Schools
17
14 public · 3 private
Avg Score
5.9
out of 10
Median Home
$242,600
home value · ACS
Districts
2
serving the city
Schools
17
14 public · 3 private
Avg Score
5.9
out of 10
Median Home
$242,600
home value · ACS
Districts
2
serving the city
Top-Rated Schools in New Castle
Ranked by MySchoolScout composite using only schools with real test data (Top 10 of 14 rated schools; 17 schools in the directory). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.
| # | School | Rating |
|---|---|---|
| 1 | The Colwyck Center | 8.7 / 10 |
| 2 | Eisenberg (harry O.) Elementary School | 7.5 / 10 |
| 3 | Charter School of New Castle | 6.0 / 10 |
| 4 | Pleasantville Elementary School | 5.9 / 10 |
| 5 | Castle Hills Elementary School | 5.7 / 10 |
| 6 | Wilmington Manor Elementary School | 5.6 / 10 |
| 7 | Leach (john G.) School | 5.5 / 10 |
| 8 | Southern Elementary School | 5.3 / 10 |
| 9 | Read (george) Middle School | 5.0 / 10 |
| 10 | Bedford (gunning) Middle School | 4.9 / 10 |
See every school — including those with estimated data — in the full directory below. How we rate schools.
Family Snapshot
At a glance- Avg school rating
- 5.9/10
- Median household income
- $75,985
- Median home value
- $242,600
- Bachelor's degree or higher
- 22%
- Avg commute
- 26 min
- Owner-occupied homes
- 67%
29% of schools rated 7+
Census ACS, ZIPs in this city
Owner-occupied units
Adults 25+
Workers age 16+
Of occupied housing units
How New Castle compares
Delaware rank
#13 of 23
cities by avg. school score
Vs. state average
-0.4
below Delaware avg (6.4)
Median household income
$76k
88% of Delaware median
Schools in this city
17
Colonial School District runs New Castle's public schools
14 public schools. Colonial School District is the dominant district on the page.
Every assigned public school in New Castle is a Colonial School District school (13 of 14).
Among 14 public schools with real test data, composite scores run from 4.2 to 8.7 — the spread is inside New Castle, not a citywide average.
- Colonial School District13 public · 93%
- Charter School of New Castle1 public · 7%
About Schools in New Castle, Delaware
New Castle, Delaware is home to 17 schools, including 14 public schools and 3 private schools. The city's schools span 9 elementary schools, 3 middle schools, and 1 high school.
With an average rating of 5.9 out of 10, schools in New Castle show moderate performance on the MySchoolScout composite scale. The composite blends student growth, poverty-adjusted academic achievement, and school environment — plus college readiness for high schools.
The highest-performing school in New Castle is The Colwyck Center with a composite score of 8.7/10, demonstrating strong academic outcomes and school quality metrics.
New Castle is served by 2 school districts: Charter School of New Castle, Colonial School District. These districts collectively serve 9,542 students.
New Castle's community shows 22% bachelor's degree attainment with a median household income of $75,985. The poverty rate in the area is 10.1%.
Browse the schools below to compare ratings, test scores, enrollment, and other key metrics. Use the filters to focus on specific school levels or types that match your family's needs.
Elementary Schools
9 schools| # | School | Rating | ||
|---|---|---|---|---|
| 1 | 415 students · Kindergarten–5th | 7.5 | ||
| 2 | 764 students · Kindergarten–8th | 6.0 | ||
| 3 | 384 students · Kindergarten–5th | 5.9 | ||
| 4 | 479 students · Kindergarten–5th | 5.7 | ||
| 5 | 368 students · Kindergarten–8th | 5.6 | ||
| 6 | 743 students · Kindergarten–5th | 5.3 | ||
| 7 | 356 students · Kindergarten–5th | 4.8 | ||
| 8 | 388 students · Kindergarten–5th | 4.8 | ||
Private Schools1 school Private and public school ratings use different data sources and scoring models. Scores are not directly comparable across school types. | ||||
| 1 | St Peter Catholic SchoolPrivate 132 students · Pre-K–8th | Not Rated | ||
Middle Schools
3 schools| # | School | Rating |
|---|---|---|
| 1 | 688 students · 6th–8th | 5.0 |
| 2 | 908 students · 6th–8th | 4.9 |
| 3 | 625 students · 6th–8th | 4.2 |
High Schools
1 school| # | School | Rating |
|---|---|---|
| 1 | 2,077 students · 9th–12th | 4.3 |
Other Schools
4 schools| # | School | Rating | ||
|---|---|---|---|---|
| 1 | 198 students · Pre-K–Pre-K | 8.7 | ||
| 2 | 86 students · Pre-K–12th | 5.5 | ||
Private Schools2 schools Private and public school ratings use different data sources and scoring models. Scores are not directly comparable across school types. | ||||
| 1 | 100 students · Pre-K–12th | Not Rated | ||
| 2 | Harvest Christian AcademyPrivate 94 students · Pre-K–12th | Not Rated | ||
Schools in New Castle
New Castle, Delaware · 17 schools
Community Demographics
Census ACS 2022 5-Year Estimates across 1 ZIP code
Median Income
$75,985
Median Home Value
$242,600
Median Rent
$1,282/mo
Population
60,593
College Educated
22%
Homeownership
67%
Avg Commute
26 min
Poverty Rate
10.1%
Community Profile
New Castle has a median household income of $75,985. It is a community where 22% of adults hold a bachelor's degree or higher. The median home value in the area is $242,600, with a median rent of $1,282/month. The area has a poverty rate of 10.1%. The average commute for residents is 26 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Schools by Level
- State
- Delaware
- Elementary
- 9
- Middle
- 3
- High
- 1
- Other
- 4
Resources
Other Major Cities in Delaware
Top metros statewide by school count.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateFrequently Asked Questions
Common questions about schools in New Castle, Delaware
How many schools are in New Castle, Delaware?
New Castle has 17 schools, including 14 public and 3 private schools spanning elementary, middle, and high school levels.
What is the average school rating in New Castle, Delaware?
The average MySchoolScout composite score for schools in New Castle is 5.9 out of 10, built from student growth, poverty-adjusted academic achievement, and school environment — plus college readiness for high schools.
What is the top-ranked school in New Castle, Delaware?
The top-ranked school in New Castle on MySchoolScout is The Colwyck Center with a composite score of 8.7/10.
What is the best elementary school in New Castle, Delaware?
The top-ranked elementary school in New Castle on MySchoolScout is Eisenberg (harry O.) Elementary School with a composite score of 7.5/10.
What is the best middle school in New Castle, Delaware?
The top-ranked middle school in New Castle on MySchoolScout is Read (george) Middle School with a composite score of 5.0/10.
What is the best high school in New Castle, Delaware?
The top-ranked high school in New Castle on MySchoolScout is Penn (william) High School with a composite score of 4.3/10.
How many school districts serve New Castle, Delaware?
New Castle is served by 2 school districts: Charter School of New Castle, Colonial School District.
What is the education level in New Castle, Delaware?
According to Census data, 22% of adults in New Castle have earned a bachelor's degree or higher.
What is the median income in New Castle, Delaware?
The median household income in New Castle is approximately $75,985 according to Census ACS 2022 estimates.
Are there private schools in New Castle, Delaware?
Yes, New Castle has 3 private schools alongside 14 public schools. The top-rated private school is Harvest Christian Academy New Castle with a score of 8.0/10.
What is the student-teacher ratio in New Castle, Delaware?
The average student-teacher ratio across schools in New Castle is 12.9:1. This ratio varies by school, so families should check individual school profiles for specific classroom sizes.
How does MySchoolScout rate schools in New Castle, Delaware?
MySchoolScout rates schools using publicly available data from the NCES Common Core of Data and state education departments. Each school receives a 1-10 composite score built from Student Growth, Poverty-Adjusted Academic Achievement, and School Environment — plus College Readiness for high schools. Weights vary by school level, and equity data is shown for context but not scored.
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Data from NCES Common Core of Data, Delaware Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.