Middletown High School is a public high school located in Middletown, Delaware, United States. It is one of three high schools in the Appoquinimink School District and serves students grades 9–12. It was previously located in what is now the Everett Meredith Middle School building.
Serving 1,231 students in grades 9-12, Middletown High School ranks in the top 50% of all schools in Delaware for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 26% (which is lower than the Delaware state average of 31%). The percentage of students achieving proficiency in reading/language arts is 51% (which is higher than the Delaware state average of 42%).
The student-teacher ratio of 15:1 is equal to the Delaware state level of 15:1.
Minority enrollment is 60% of the student body (majority Black), which is lower than the Delaware state average of 62% (majority Black).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 1,231 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 60%
- Graduation Rate: 97% (Top 20% in DE)
- Overall Testing Rank: Top 50%
- Math Proficiency: 26% (Top 50%)
- Reading Proficiency: 51% (Top 30%)
- Science Proficiency: 28% (Top 30%)
- Source: National Center for Education Statistics (NCES), DE Dept. of Education
Top Rankings
Middletown High School ranks among the top 20% of public schools in Delaware for:
Category
Attribute
Graduation Rate
School Overview
Middletown High School's student population of 1,231 students has declined by 27% over five school years.
The teacher population of 80 teachers has declined by 23% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,231 students
Total Classroom Teachers
80 teachers
Year Founded
1929
Colors
Blue and Gold
Campus Size
50 acres
School Motto
Welcome to Middletown High School • Home of the Cavaliers
School Rankings
Middletown High School ranks within the top 50% of all 199 schools in Delaware (based off of combined math and reading proficiency testing data).
The diversity score of Middletown High School is 0.70, which is less than the diversity score at state average of 0.72. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#70 out of 199 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
26%
31%
Reading/Language Arts Test Scores (% Proficient)
51%
42%
Science Test Scores (% Proficient)
28%
21%
Student-Teacher Ratio
15:1
15:1
Asian
8%
5%
Hispanic
10%
20%
Black
36%
31%
White
40%
38%
Two or more races
6%
6%
All Ethnic Groups
Graduation Rate
97%
88%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
13%
33%
Eligible for Reduced Lunch (12-13)
3%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), DE Dept. of Education
School Notes
- School Mascot: Cavaliers
Frequently Asked Questions
What is Middletown High School's ranking?
Middletown High School is ranked #70 out of 199 schools, which ranks it among the top 50% of public schools in Delaware.
What schools are Middletown High School often compared to?
Middletown High Schoolis often viewed alongside schools like Appoquinimink High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
26% of students have achieved math proficiency (compared to the 31% DE state average), while 51% of students have achieved reading proficiency (compared to the 42% DE state average).
What is the graduation rate of Middletown High School?
The graduation rate of Middletown High School is 97%, which is higher than the Delaware state average of 88%.
How many students attend Middletown High School?
1,231 students attend Middletown High School.
What is the racial composition of the student body?
40% of Middletown High School students are White, 36% of students are Black, 10% of students are Hispanic, 8% of students are Asian, and 6% of students are Two or more races.
What is the student-teacher ratio of Middletown High School?
Middletown High School has a student ration of 15:1, which is equal to the Delaware state average of 15:1.
What grades does Middletown High School offer ?
Middletown High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Middletown High School part of?
Middletown High School is part of Appoquinimink School District.
School Calendar
View the Middletown High School yearly calendar below. Note key dates such as:
Event
Date
Schools closed / offices open
August 28, 2026 (Friday)
First day of school: Grade 10-12
September 01, 2026 (Tuesday)
Schools Closed/Offices Open
November 25, 2026 (Wednesday)
Schools/Offices closed for Spring Break
March 25, 2027 (Thursday)
Schools Closed/Offices Open (in lieu of spring conferences)
May 28, 2027 (Friday)
School Reviews
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