Enrollment
1,357
Delaware · 2024-25 NCES data
High school (grades 9-12) · Middletown, DE
Appoquinimink High School
Federal NCES profile for Appoquinimink High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 54/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 100008000225
👥 S:T ratio 40
📚 AP courses 100
🌟 Gifted program 30
🎓 Counselors 55
📋 Attendance 45
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Appoquinimink High School earns 54/100 on the Resource Investment Index, with class sizes near the Delaware median. It is also one of the largest schools in Delaware.
- #2 of 3
- high schools in Middletown · Resource Index
- 54
- Resource Index · Higher
- 14.9:1
- students per teacher
- 1,357
- students enrolled
Appoquinimink High School has class sizes near the Delaware median. Computed live against every Delaware school reporting to NCES.
By Resource Investment Index, Appoquinimink High School ranks #2 of 3 high schools in Middletown, DE.
School address
District: Appoquinimink School District · Delaware
NCES ID 100008000225 Verify on NCES CCD record →
Teachers (FTE)
91.0
Federal CCD staff survey
Students per teacher
14.9:1
vs 13.9:1 Delaware avg
+7% vs state
Student-teacher ratio in context
How Appoquinimink High School compares with Delaware and U.S. medians
What stands out at Appoquinimink High School
Appoquinimink High School is a large high school in Middletown, Delaware, enrolling 1,357 students.
Class loads run somewhat heavier than typical: 14.9:1 puts it in the larger third of Delaware schools by student-teacher ratio.
By headcount it is one of the larger campuses in Delaware, bigger than 95% of state schools at 1,357 students.
Its Resource Investment Index lands in the upper third of 222 scored Delaware schools.
Its student body is led by White (45%) and African American (31%) (diversity index 68/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor coverage is strong, about 226 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 22.0% of students chronically absent per the 2021-22 civil-rights collection.
Among Middletown's high schools, it stands alongside Middletown High School (1,231 students): Appoquinimink High School is larger than that campus by headcount and runs heavier classes (14.9:1 vs 13:1).
Appoquinimink School District also operates Odessa High School (1,254 students) and Middletown High School (1,231 students) alongside Appoquinimink High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Appoquinimink High School compares
Appoquinimink High School on the metrics families compare, against Delaware and U.S. means.
| Metric | This school | vs Delaware | Delaware avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.9:1 | ▲ 7% | 13.9:1 | 15.7:1 |
| Enrollment | 1,357 | top 5% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.9:1
Leaner classes than 48% of US schools, a middle-of-the-pack class size.
1,357
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
14.9:1
students per teacher
- 7% above state mean
Top 65% in Delaware - lower ratio than 35% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
22.0%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,779
per pupil, district-wide
- below Delaware avg of $16,990
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors6.0 FTE
Per 226 students, the combined health-and-guidance staffing load for this school.
Discipline context
77
in-school suspensions + 139 out-of-school
Suspension rate: 5.7 per 100 students. Combined in-school and out-of-school rate: 15.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 44.8%
African American 31.1%
Asian 11.4%
Hispanic or Latino 8.1%
Two or More 3.8%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 44.8% of enrollment.
Student-body diversity index 68.2/100
Simpson diversity index - at 68.2, Appoquinimink High School is more mixed than the Delaware school average of 61.3.
Programs
AP courses offered 23
Funding & spending
District-wide per-pupil expenditure for Appoquinimink School District, which includes Appoquinimink High School.
$15,779
Per student
-7%
vs Delaware
Avg $16,990
-5%
vs U.S.
Avg $16,593
Revenue mix
Local 28.9%
State 62.3%
Federal 8.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Appoquinimink High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Odessa High School | Similar size | No free-lunch data | Higher S:T ratio |
| Middletown High School | Similar size | No free-lunch data | Lower S:T ratio |
| Waters (Alfred G.) Middle School | Smaller | No free-lunch data | Higher S:T ratio |
| Meredith (Everett) Middle School | Smaller | No free-lunch data | Similar S:T ratio |
| Cantwells Bridge Middle School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Appoquinimink High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,254
- Students per teacher
- 20.6:1
- Resource Index
- 32/100
- Enrollment
- 1,231
- Students per teacher
- 13:1
- Resource Index
- 44/100
- Enrollment
- 935
- Students per teacher
- 18:1
- Resource Index
- 43/100
- Enrollment
- 867
- Students per teacher
- 16.1:1
- Resource Index
- 35/100
- Enrollment
- 852
- Students per teacher
- 18.5:1
- Resource Index
- 36/100
Similar high schools in Middletown
2 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Delaware, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,357 students)
Next steps
Verify locally before acting on Appoquinimink High School's federal record.
- Compare Appoquinimink High School against another school. Compare schools
- Appoquinimink School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Appoquinimink High School
How many students attend Appoquinimink High School?
Appoquinimink High School has 1,357 students enrolled. It is a high school in Middletown, DE.
What is the student-teacher ratio at Appoquinimink High School?
The student-teacher ratio at Appoquinimink High School is 14.9:1, which is 7% higher than the Delaware average of 13.9:1 and 5% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Appoquinimink High School?
The largest demographic group at Appoquinimink High School is White at 44.8% of enrollment, in Middletown, DE. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.2/100.
What is the Resource Investment Index for Appoquinimink High School?
Appoquinimink High School has a Resource Investment Index of 54/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Appoquinimink High School rank among high schools in Middletown?
By Resource Investment Index, Appoquinimink High School ranks #2 of 3 high schools in Middletown, DE. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Middletown on the city page.
Is Appoquinimink High School a good school?
Appoquinimink High School earns 54/100 on the Resource Investment Index, with class sizes near the Delaware median. It is also one of the largest schools in Delaware. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Appoquinimink School District?
Besides Appoquinimink High School, Appoquinimink School District also operates Odessa High School (1,254 students), Middletown High School (1,231 students), and Waters (Alfred G.) Middle School (935 students). See the Appoquinimink School District district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.