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
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Compiled from official source data by .
0/100100/10058/100
👥 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

Center, MO 63436
District: Ralls Co. R-Ii · Missouri

NCES ID 292571001034 Verify on NCES CCD record →

CCD year-over-year · 2022-23 → 2023-24

-7 students YoY

Mark Twain Jr. High held near 195 students from 2022-23 to 2023-24 (-7 headcount).

Teacher FTE added 12.7 → 14.0 across the same CCD years.

Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).

Steady CCD campus

-7 students YoY 292571001034 · Center, MO Middle · SMALL · TRAD

194 enr · 16.2:1 · 28.7% lunch · RII 58

Nearest enrollment peer: Ralls County Elementary (355 students)

Mark Twain Jr. High held near 195 students from 2022-23 to 2023-24 (-7 headcount). Teacher FTE added 12.7 → 14.0 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →

Mark Twain Jr. High in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Mark Twain Jr. High reports 194 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Mark Twain Jr. High compares

Mark Twain Jr. High held steady on CCD headcount: ratios and free-lunch share vs 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 methodology

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
$10,693
per pupil, district-wide - below Missouri avg of $14,087
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.

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

District finance for Ralls Co. R-Ii reports $10,693 per pupil (NCES F-33) - open the district page for the full revenue mix.

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

Ralls Co. R-Ii · 2 sibling schools

View district profile

Nationwide middle schools with similar size or staffing

Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.

Similar enrollment (~194 students)

Similar student-teacher ratio (~16.2:1)

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. CCD year-over-year: 202 (2022-23) → 195 (2023-24), nearly flat (-7).

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, gifted-program reporting, counselor availability, chronic absenteeism. 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.

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.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Compiled from official source data by .