Enrollment
732
Delaware · 2024-25 NCES data
Elementary school (grades K-5) · Delmar, DE
Delmar Middle School
Federal NCES profile for Delmar Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 28/100.
2024-25 NCES dataElementary school (grades K-5)NCES 100027000078
👥 S:T ratio 14
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 28
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Delmar Middle School earns 28/100 on the Resource Investment Index, with class sizes larger than 99% of Delaware schools.
- 28
- Resource Index · Lower
- 21.5:1
- large classes for Delaware
- 732
- students enrolled
Delmar Middle School has class sizes larger than 99% of Delaware schools. Computed live against every Delaware school reporting to NCES.
School address
District: Delmar School District · Delaware
NCES ID 100027000078 Verify on NCES CCD record →
Teachers (FTE)
34.0
Federal CCD staff survey
Students per teacher
21.5:1
vs 13.9:1 Delaware avg
+55% vs state
Student-teacher ratio in context
How Delmar Middle School compares with Delaware and U.S. medians
What stands out at Delmar Middle School
Delmar Middle School is a mid-sized elementary school in Delmar, Delaware, enrolling 732 students.
Class loads run heavy: 21.5:1 is larger than about 99% of Delaware schools and 55% above the 13.9:1 state mean, so each teacher carries more students than is typical.
Enrollment of 732 puts it in the larger third of Delaware schools by headcount.
Its Resource Investment Index lands in the lower third of 222 scored Delaware schools.
Its student body is led by White (55%) and African American (22%) (diversity index 63/100).
Counselor access is stretched at roughly 732 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 28.6% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Delmar School District spends $11,013 per pupil, 35% below the Delaware average, a leaner-resourced district than most.
Discipline events run high: 209 in- and out-of-school suspensions were reported for 732 students in the 2021-22 Civil Rights Data Collection.
Its district, Delmar School District, also runs Delmar High School (713 students).
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 Delmar Middle School compares
Delmar Middle 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 | 21.5:1 | ▲ 55% | 13.9:1 | 15.7:1 |
| Enrollment | 732 | top 28% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.5:1
Leaner classes than 12% of US schools, heavier class loads than most.
732
Bigger than 82% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Staffing depth
21.5:1
students per teacher
- 55% above state mean
Top 99% in Delaware - lower ratio than 1% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
28.6%
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
$11,013
per pupil, district-wide
- below Delaware avg of $16,990
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 732 students, the combined health-and-guidance staffing load for this school.
Discipline context
85
in-school suspensions + 124 out-of-school
Suspension rate: 11.6 per 100 students. Combined in-school and out-of-school rate: 28.6 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 55.3%
African American 22.1%
Hispanic or Latino 12.0%
Two or More 7.0%
Asian 3.3%
American Indian / Alaska Native 0.3%
Largest group: White at 55.3% of enrollment.
Student-body diversity index 62.5/100
Simpson diversity index - at 62.5, Delmar Middle School is about as mixed as the Delaware school average of 61.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Delmar School District, which includes Delmar Middle School.
$11,013
Per student
-35%
vs Delaware
Avg $16,990
-34%
vs U.S.
Avg $16,593
Revenue mix
Local 18.9%
State 68.3%
Federal 12.8%
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 Delmar Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Delmar High School | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Delmar Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 713
- Students per teacher
- 20.4:1
- Resource Index
- 41/100
Similar elementary 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 (~732 students)
Next steps
Verify locally before acting on Delmar Middle School's federal record.
- Compare Delmar Middle School against another school. Compare schools
- Delmar 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 Delmar Middle School
How many students attend Delmar Middle School?
Delmar Middle School has 732 students enrolled. It is an elementary school in Delmar, DE.
What is the student-teacher ratio at Delmar Middle School?
The student-teacher ratio at Delmar Middle School is 21.5:1, which is 55% higher than the Delaware average of 13.9:1 and 37% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Delmar Middle School?
The largest demographic group at Delmar Middle School is White at 55.3% of enrollment, in Delmar, DE. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 62.5/100.
What is the Resource Investment Index for Delmar Middle School?
Delmar Middle School has a Resource Investment Index of 28/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Delmar Middle School a good school?
Delmar Middle School earns 28/100 on the Resource Investment Index, with class sizes larger than 99% of Delaware schools. 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 Delmar School District?
Besides Delmar Middle School, Delmar School District also operates Delmar High School (713 students). See the Delmar 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.