Enrollment
194
Missouri · 2024-25 NCES data
Middle school (grades 6-8) · Center, MO
Mark Twain Jr. High
Federal NCES profile for Mark Twain Jr. High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 58/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 292571001034
👥 S:T ratio 35
🌟 Gifted program 70
🎓 Counselors 61
📋 Attendance 65
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mark Twain Jr. High earns 58/100 on the Resource Investment Index, with class sizes larger than 88% of Missouri schools. It is also less racially and ethnically mixed than most Missouri schools.
- #1 of 3
- public schools in Center · Resource Index
- 58
- Resource Index · Higher
- 16.2:1
- large classes for Missouri
- 28.7%
- free-lunch eligible
Mark Twain Jr. High has class sizes larger than 88% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Mark Twain Jr. High ranks #1 of 3 public schools in Center, MO.
School address
District: Ralls Co. R-Ii · Missouri
NCES ID 292571001034 Verify on NCES CCD record →
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
16.2:1
vs 12.8:1 Missouri avg
+27% vs state
Free-lunch eligible
28.7%
vs 46.1% Missouri avg
-38% vs state
Student-teacher ratio in context
How Mark Twain Jr. High compares with Missouri and U.S. medians
What stands out at Mark Twain Jr. High
Mark Twain Jr. High is a mid-sized middle school in Center, Missouri, enrolling 194 students.
Class loads run heavy: 16.2:1 is larger than about 88% of Missouri schools and 27% above the 12.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 28.7% of students eligible for free meals.
Enrollment of 194 puts it in the smaller third of Missouri schools by headcount.
Its Resource Investment Index lands in the upper third of 2,313 scored Missouri schools.
Against 305 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #69.
Its student body is predominantly White (97% of enrollment), among the less diverse in the state (diversity index 5/100).
Counselor coverage is strong, about 194 students per counselor, inside the American School Counselor Association's recommended 250:1.
13.9% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Ralls Co. R-Ii spends $10,317 per pupil, 20% below the Missouri average, a leaner-resourced district than most.
Its district draws 18.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 58 in- and out-of-school suspensions were reported for 194 students in the 2021-22 Civil Rights Data Collection.
Ralls Co. R-Ii also operates Ralls County Elementary (355 students) and Mark Twain Sr. High (251 students) alongside Mark Twain Jr. High.
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 Jr. High compares
Mark Twain Jr. High on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.2:1 | ▲ 27% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 28.7% | ▼ 38% | 46.1% | 51.7% |
| Enrollment | 194 | top 71% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.2:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
194
Bigger than 19% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
28.7%
free-lunch eligible
- 38% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
16.2:1
students per teacher
- 27% above state mean
Top 88% in Missouri - lower ratio than 12% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
13.9%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$10,317
per pupil, district-wide
- below Missouri avg of $12,931
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 194 students, the combined health-and-guidance staffing load for this school.
Discipline context
52
in-school suspensions + 6 out-of-school
Suspension rate: 26.8 per 100 students. Combined in-school and out-of-school rate: 29.9 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 97.4%
Hispanic or Latino 1.0%
African American 0.5%
American Indian / Alaska Native 0.5%
Two or More 0.5%
Largest group: White at 97.4% of enrollment.
Student-body diversity index 5.1/100
Simpson diversity index - at 5.1, Mark Twain Jr. High is less mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Ralls Co. R-Ii, which includes Mark Twain Jr. High.
$10,317
Per student
-20%
vs Missouri
Avg $12,931
-38%
vs U.S.
Avg $16,593
Revenue mix
Local 55.0%
State 26.7%
Federal 18.3%
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 Jr. High Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ralls County Elementary | Larger | Similar economic need | Lower S:T ratio |
| Mark Twain Sr. High | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mark Twain Jr. High's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 355
- Students per teacher
- 11.8:1
- Resource Index
- 58/100
- Enrollment
- 251
- Students per teacher
- 13.9:1
- Resource Index
- 55/100
Similar middle 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 (~194 students)
Similar student-teacher ratio (~16.2:1)
Next steps
Verify locally before acting on Mark Twain Jr. High's federal record.
- Compare Mark Twain Jr. High against another school. Compare schools
- Ralls Co. R-Ii'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 Jr. High
How many students attend Mark Twain Jr. High?
Mark Twain Jr. High has 194 students enrolled. It is a middle school in Center, MO.
What is the student-teacher ratio at Mark Twain Jr. High?
The student-teacher ratio at Mark Twain Jr. High is 16.2:1, which is 27% higher than the Missouri average of 12.8:1 and 3% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mark Twain Jr. High?
28.7% of students at Mark Twain Jr. High are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Mark Twain Jr. High?
The largest demographic group at Mark Twain Jr. High is White at 97.4% of enrollment, in Center, MO.
What is the Resource Investment Index for Mark Twain Jr. High?
Mark Twain Jr. High has a Resource Investment Index of 58/100 (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 Jr. High rank among public schools in Center?
By Resource Investment Index, Mark Twain Jr. High ranks #1 of 3 public schools in Center, 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 Center on the city page.
Is Mark Twain Jr. High a good school?
Mark Twain Jr. High earns 58/100 on the Resource Investment Index, with class sizes larger than 88% of Missouri schools. It is also less 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 Ralls Co. R-Ii?
Besides Mark Twain Jr. High, Ralls Co. R-Ii also operates Ralls County Elementary (355 students) and Mark Twain Sr. High (251 students). See the Ralls Co. R-Ii 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.