Enrollment
173
Missouri · 2024-25 NCES data
Elementary school (grades K-5) · Brentwood, MO
Mark Twain Elem.
Federal NCES profile for Mark Twain Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 69/100.
2024-25 NCES dataElementary school (grades K-5)NCES 290588000132
👥 S:T ratio 65
🌟 Gifted program 70
🎓 Counselors 65
📋 Attendance 77
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mark Twain Elem. earns 69/100 on the Resource Investment Index, with class sizes smaller than 88% of Missouri schools. It is also more racially and ethnically mixed than most Missouri schools.
- #1 of 5
- public schools in Brentwood · Resource Index
- 69
- Resource Index · Higher
- 8.7:1
- small classes for Missouri
- 15.3%
- free-lunch eligible
Mark Twain Elem. has class sizes smaller than 88% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Mark Twain Elem. ranks #1 of 5 public schools in Brentwood, MO.
School address
Teachers (FTE)
20.0
Federal CCD staff survey
Students per teacher
8.7:1
vs 12.8:1 Missouri avg
-32% vs state
Free-lunch eligible
15.3%
vs 46.1% Missouri avg
-67% vs state
Student-teacher ratio in context
How Mark Twain Elem. compares with Missouri and U.S. medians
What stands out at Mark Twain Elem.
Mark Twain Elem. is a lower-poverty, mid-sized elementary school in Brentwood, Missouri, enrolling 173 students.
Classes run notably small here: at 8.7:1, Mark Twain Elem. is leaner than roughly 88% of Missouri schools and 32% under the state's 12.8:1 norm, more adult attention per pupil than most peers.
Comparatively few students face economic hardship here, 15.3% free-meal eligibility runs 67% below the Missouri average.
Enrollment of 173 puts it in the smaller third of Missouri schools by headcount.
Its Resource Investment Index outscores 99% of the 2,313 Missouri schools with a score on record, a top-tier result on this measure.
Among 152 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #2, a top-tier result once campus size and economic need are matched.
Its student body is led by White (61%) and African American (15%), more mixed than most schools in the state (diversity index 58/100).
Counselor coverage is strong, about 173 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 9.2% of students were chronically absent, below the typical post-pandemic national figure.
The surrounding Brentwood spends $20,215 per pupil, 56% above the Missouri average, a better-resourced district than most.
Brentwood also operates Mcgrath Elem. (236 students) and Brentwood High (195 students) alongside Mark Twain Elem..
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 Mark Twain Elem. compares
Mark Twain Elem. on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 8.7:1 | ▼ 32% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 15.3% | ▼ 67% | 46.1% | 51.7% |
| Enrollment | 173 | top 74% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
8.7:1
Leaner classes than 93% of US schools, among the more generously staffed nationally.
173
Bigger than 17% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
15.3%
free-lunch eligible
- 67% below the Missouri average of 46.1%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
8.7:1
students per teacher
- 32% below state mean
Top 12% in Missouri - lower ratio than 88% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
9.2%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$20,215
per pupil, district-wide
- above Missouri avg of $12,931
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 173 students, the combined health-and-guidance staffing load for this school.
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 61.3%
African American 15.0%
Asian 11.0%
Two or More 6.9%
Hispanic or Latino 5.8%
Largest group: White at 61.3% of enrollment.
Student-body diversity index 58.2/100
Simpson diversity index - at 58.2, Mark Twain Elem. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Brentwood, which includes Mark Twain Elem..
$20,215
Per student
+56%
vs Missouri
Avg $12,931
+22%
vs U.S.
Avg $16,593
Revenue mix
Local 95.0%
State 2.0%
Federal 3.0%
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 Mark Twain Elem. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mcgrath Elem. | Larger | Similar economic need | Higher S:T ratio |
| Brentwood High | Similar size | Similar economic need | Similar S:T ratio |
| Brentwood Middle | Similar size | Similar economic need | Higher S:T ratio |
| Brentwood Early Childhd Center | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Mark Twain Elem.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 236
- Students per teacher
- 12.4:1
- Resource Index
- 64/100
- Enrollment
- 195
- Students per teacher
- 8.9:1
- Resource Index
- 54/100
- Enrollment
- 160
- Students per teacher
- 10.7:1
- Resource Index
- 57/100
- Enrollment
- 83
- Students per teacher
- 20.8:1
- Resource Index
- 23/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~173 students)
Similar student-teacher ratio (~8.7:1)
Next steps
Verify locally before acting on Mark Twain Elem.'s federal record.
- Compare Mark Twain Elem. against another school. Compare schools
- Brentwood'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 Mark Twain Elem.
How many students attend Mark Twain Elem.?
Mark Twain Elem. has 173 students enrolled. It is an elementary school in Brentwood, MO.
What is the student-teacher ratio at Mark Twain Elem.?
The student-teacher ratio at Mark Twain Elem. is 8.7:1, which is 32% lower than the Missouri average of 12.8:1 and 45% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Mark Twain Elem.?
15.3% of students at Mark Twain Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Mark Twain Elem.?
The largest demographic group at Mark Twain Elem. is White at 61.3% of enrollment, in Brentwood, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.2/100.
What is the Resource Investment Index for Mark Twain Elem.?
Mark Twain Elem. has a Resource Investment Index of 69/100 (higher 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).
How does Mark Twain Elem. rank among public schools in Brentwood?
By Resource Investment Index, Mark Twain Elem. ranks #1 of 5 public schools in Brentwood, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Brentwood on the city page.
Is Mark Twain Elem. a good school?
Mark Twain Elem. earns 69/100 on the Resource Investment Index, with class sizes smaller than 88% of Missouri schools. It is also more racially and ethnically mixed than most Missouri 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 Brentwood?
Besides Mark Twain Elem., Brentwood also operates Mcgrath Elem. (236 students), Brentwood High (195 students), and Brentwood Middle (160 students). See the Brentwood 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.