Enrollment
397
District of Columbia · 2024-25 NCES data
Other / mixed grade configuration · Washington, DC
Mann Es
Federal NCES profile for Mann Es, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
2024-25 NCES dataOther / mixed grade configurationNCES 110003000035
👥 S:T ratio 55
🌟 Gifted program 30
📋 Attendance 89
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mann Es earns 58/100 on the Resource Investment Index, with class sizes near the District of Columbia median.
- #3 of 154
- schools in Washington · Resource Index
- 58
- Resource Index · Higher
- 11.3:1
- students per teacher
- 397
- students enrolled
Mann Es has class sizes near the District of Columbia median. Computed live against every District of Columbia school reporting to NCES.
By Resource Investment Index, Mann Es ranks #3 of 154 schools in Washington, DC.
School address
NCES ID 110003000035 Verify on NCES CCD record →
Teachers (FTE)
35.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 12.3:1 District of Columbia avg
-8% vs state
Student-teacher ratio in context
How Mann Es compares with District of Columbia and U.S. medians
What stands out at Mann Es
Mann Es is a mid-sized combined-grade school in Washington, District of Columbia, enrolling 397 students.
At 11.3:1, its student-teacher ratio sits close to the District of Columbia median, within a few percentage points of the 12.3:1 state norm, neither notably crowded nor notably small.
With 397 students, its enrollment sits close to the District of Columbia median campus size.
Its Resource Investment Index outscores 98% of the 243 District of Columbia schools with a score on record, a top-tier result on this measure.
Its student body is led by White (66%) and Hispanic or Latino (14%) (diversity index 53/100).
Attendance holds up well here: only 4.5% of students were chronically absent, below the typical post-pandemic national figure.
Among Washington's public schools, it stands alongside District of Columbia International School (1,654 students): Mann Es is smaller than that campus by headcount and runs leaner classes (11.3:1 vs 11.3:1).
District of Columbia Public Schools also operates Jackson-Reed Hs (1,855 students) and Columbia Heights Education Campus (1,563 students) alongside Mann Es.
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 Mann Es compares
Mann Es on the metrics families compare, against District of Columbia and U.S. means.
| Metric | This school | vs District of Columbia | District of Columbia avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.3:1 | ▼ 8% | 12.3:1 | 15.7:1 |
| Enrollment | 397 | top 36% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
397
Bigger than 47% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
11.3:1
students per teacher
- 8% below state mean
Top 51% in District of Columbia - lower ratio than 49% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
4.5%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$27,425
per pupil, district-wide
- below District of Columbia avg of $31,650
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 66.2%
Hispanic or Latino 14.4%
African American 10.6%
Asian 5.0%
Two or More 3.8%
Largest group: White at 66.2% of enrollment.
Student-body diversity index 52.6/100
Simpson diversity index - at 52.6, Mann Es is more mixed than the District of Columbia school average of 33.3.
Programs
Funding & spending
District-wide per-pupil expenditure for District of Columbia Public Schools, which includes Mann Es.
$27,425
Per student
-13%
vs District of Columbia
Avg $31,650
+65%
vs U.S.
Avg $16,593
Revenue mix
Local 86.2%
Federal 13.8%
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 Mann Es Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jackson-Reed Hs | Larger | No free-lunch data | Higher S:T ratio |
| Columbia Heights Education Campus | Larger | No free-lunch data | Similar S:T ratio |
| Deal Ms | Larger | No free-lunch data | Higher S:T ratio |
| Coolidge Hs | Larger | No free-lunch data | Higher S:T ratio |
| Roosevelt Hs | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Mann Es's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,855
- Students per teacher
- 14.6:1
- Resource Index
- 43/100
- Enrollment
- 1,563
- Students per teacher
- 11.3:1
- Resource Index
- 53/100
- Enrollment
- 1,462
- Students per teacher
- 13.3:1
- Resource Index
- 34/100
- Enrollment
- 1,029
- Students per teacher
- 17.7:1
- Resource Index
- 27/100
- Enrollment
- 943
- Students per teacher
- 11.5:1
- Resource Index
- 37/100
Similar other schools in Washington
6 comparable other schools (grades Mixed) serving the same city.
District of Columbia International School
Standard public school
1,654 students 11.3:1 students per teacher
Columbia Heights Education Campus
Standard public school
1,563 students 11.3:1 students per teacher
Lafayette Es
Standard public school
923 students 15.1:1 students per teacher
Bancroft Es
Standard public school
821 students 13.7:1 students per teacher
Ingenuity Prep Pcs
Standard public school
797 students 8.8:1 students per teacher
Oyster-Adams Bilingual School
Standard public school
791 students 13.2:1 students per teacher
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of District of Columbia, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~397 students)
Similar student-teacher ratio (~11.3:1)
Next steps
Verify locally before acting on Mann Es's federal record.
- Compare Mann Es against another school. Compare schools
- District of Columbia Public Schools'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 Mann Es
How many students attend Mann Es?
Mann Es has 397 students enrolled. It is a public school in Washington, DC.
What is the student-teacher ratio at Mann Es?
The student-teacher ratio at Mann Es is 11.3:1, which is 8% lower than the District of Columbia average of 12.3:1 and 28% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Mann Es?
The largest demographic group at Mann Es is White at 66.2% of enrollment, in Washington, DC. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 52.6/100.
What is the Resource Investment Index for Mann Es?
Mann Es has a Resource Investment Index of 58/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mann Es rank among schools in Washington?
By Resource Investment Index, Mann Es ranks #3 of 154 schools in Washington, DC. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Washington on the city page.
Is Mann Es a good school?
Mann Es earns 58/100 on the Resource Investment Index, with class sizes near the District of Columbia median. 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 District of Columbia Public Schools?
Besides Mann Es, District of Columbia Public Schools also operates Jackson-Reed Hs (1,855 students), Columbia Heights Education Campus (1,563 students), and Deal Ms (1,462 students). See the District of Columbia Public Schools district page for the complete list.
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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.