Appoquinimink High School
Middletown, DE · High School · Grades 9-12
Appoquinimink High School is a high school in Middletown, DE with 1,484 students enrolled and a 47% proficiency rate. Part of Appoquinimink School District. NCES data from the U.S. Department of Education.
Appoquinimink High School is a high school in Middletown, DE, enrolling 1,484 students in grades 9-12 within the Appoquinimink School District. That headcount is above the 640-student average for schools in the district.
EDFacts assessment data shows 47% of students reaching grade-level proficiency in combined math and reading, near the middle of the national range. That tracks the 48% district average closely, within a few points either way. Against the 50% Delaware statewide average, the school sits 3 points lower.
The district proficiency rate this school inherits has held roughly steady over the last three reported years. As a high school, it reports a 71% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 16.3 to 1, close to the U.S. average of about 16 to 1.
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About This School
Appoquinimink High School is a high school located in Middletown, Delaware. The school serves 1,484 students in grades 9-12. The student-to-teacher ratio is 16.3:1.
According to EDFacts assessment data, 47% of students meet grade-level proficiency standards in combined math and reading. The school reports a 71% graduation rate.
Appoquinimink High School is part of the Appoquinimink School District in Delaware.
How This School Compares
Appoquinimink High School has 1,484 students enrolled, making it larger than the average school in Appoquinimink School District (640 students). Its 47% proficiency rate is 1 percentage points below the district average of 48%. Compared to the Delaware state average of 50%, the school performs 3 points lower.
Frequently Asked Questions
Appoquinimink High School has 1,484 students enrolled in grades 9-12. The student-to-teacher ratio is 16.3:1.
According to EDFacts data, 47% of students at Appoquinimink High School meet grade-level proficiency standards in combined math and reading assessments.
Appoquinimink High School has a 71% graduation rate, measuring the percentage of students who graduate within four years.
Appoquinimink High School is part of the Appoquinimink School District in Middletown, Delaware. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
Source: NCES Common Core of Data, 2026.