Average
#869 of 2,221 schools in MO
Top 39% in state
Mark Twain Sr. High
High School · RALLS CO. R-II
21622 HWY 19, Center, MO 63436
Enrollment
259
Student-Teacher
13.6:1
Score
6.9
Grades
9th – 12th
Enrollment
259
Student-Teacher
13.6:1
Score
6.9
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Missouri schools
#869 of 2,221
In Center
#1 of 3
public schools
In district
#1 of 3
RALLS CO. R-II
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Mark Twain Sr. High
High School in Center · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Mark Twain Jr. High
0.0 mi away. Use as a geographic alternative in the same move search.
Ralls County Elementary
0.1 mi away. Use as a geographic alternative in the same move search.
About Mark Twain Sr. High
Mark Twain Sr. High is a public high school in Center, MO, part of RALLS CO. R-II.
Mark Twain Sr. High serves approximately 259 students, and covers grades 9th-12th, and has a 13.6:1 student-teacher ratio. Mark Twain Sr.
High has a current MySchoolScout rating of 6.9 out of 10 and ranks #869 of 2,221 schools in MO. Structured state assessment records for Mark Twain Sr. High show 36% math proficiency (multi-year average, 2009-2022) and 58% reading/ELA proficiency (multi-year average, 2009-2022).
- This school 6.9 · Average
- MO avg 6.4
What Parents Should Know
Mark Twain Sr. High sits in a rural area, which can mean longer drives for some families. Rural schools are often community anchors with smaller classes, but check transportation, after-school options, and access to specialized services before you commit.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Mark Twain Sr. High — Students at Mark Twain Sr. High score 48% proficient, which is below what's typical for similar communities (expected: 50%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
33.2%
Students qualifying for federal meal assistance
Test Scores MO EDFACTS (2021-22)
Based on 26 test records from MO state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.4/10.
How Mark Twain Sr. High Compares
See how Mark Twain Sr. High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
21622 HWY 19, Center, MO 63436
Nearby Alternatives
Families considering Mark Twain Sr. High may also want to explore other high schools in the area. MONROE CITY R-I HIGH (rated 9.0/10, 15.1 miles away, in nearby Monroe City), which scores notably higher. Another option is HANNIBAL SR. HIGH (rated 7.6/10, 15.6 miles away, in nearby Hannibal), which scores slightly higher. Additionally, VAN-FAR JR./SR. HIGH (rated 6.9/10, 14.9 miles away, in nearby Vandalia), with a very similar rating. For more schools in Center, see our Center schools guide .
Nearby Schools
20 within 15.1 mi| School | Distance | Rating |
|---|---|---|
| MARK TWAIN JR. HIGH Center | 0.0 mi | 6.5 |
| RALLS COUNTY ELEMENTARY Center | 0.1 mi | 5.3 |
| FRANKFORD ELEM. Frankford | 10.3 mi | 7.2 |
| OAKWOOD ELEM. Hannibal | 13.2 mi | 4.9 |
| VAN-FAR ELEM. Vandalia | 14.5 mi | 4.7 |
| VAN-FAR JR./SR. HIGH Vandalia | 14.9 mi | 6.9 |
| EARLY CHILDHOOD CENTER Hannibal | 15.2 mi | 4.1 |
| MARK TWAIN ELEM. Hannibal | 14.9 mi | 8.4 |
| VETERANS ELEM. Hannibal | 15.5 mi | 4.7 |
| MISSISSIPPI VALLEY SCHOOL Hannibal | 15.3 mi | — |
| EUGENE FIELD ELEM. Hannibal | 14.9 mi | 5.7 |
| ST JOHNS LUTHERAN SCHOOL Hannibal | 15.0 mi | 6.1 |
| HANNIBAL SR. HIGH Hannibal | 15.6 mi | 7.6 |
| HOLY FAMILY SCHOOL Hannibal | 15.2 mi | 5.7 |
| HANNIBAL MIDDLE Hannibal | 15.8 mi | 7.7 |
| A. D. STOWELL ELEM. Hannibal | 15.5 mi | 4.8 |
| MONROE CITY R-I HIGH Monroe City | 15.1 mi | 9.0 |
| MONROE CITY ELEM. Monroe City | 15.2 mi | 4.7 |
| MONROE CITY MIDDLE Monroe City | 15.2 mi | 7.0 |
| HOLY ROSARY SCHOOL Monroe City | 15.1 mi | 5.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 63436 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$63,500
Median Home Value
$175,600
Median Rent
$513/mo
Population
1,109
College Educated
11.2%
Homeownership
89.1%
Avg Commute
23.3 min
Poverty Rate
8.1%
Median Age
51.4
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| ADVANCE HIGH Advance, MO | 6.9 |
| CABOOL HIGH Cabool, MO | 6.9 |
| RUSSELLVILLE HIGH Russellville, MO | 6.9 |
| SCHUYLER CO. HIGH Queen City, MO | 6.9 |
| URSULINE ACADEMY St. Louis, MO | 6.9 |
| VAN-FAR JR./SR. HIGH Vandalia, MO | 6.9 |
Frequently Asked Questions
Common questions about Mark Twain Sr. High
What grades does Mark Twain Sr. High serve?
Mark Twain Sr. High serves students in grades 9th through 12th.
How many students attend Mark Twain Sr. High?
Mark Twain Sr. High has an enrollment of approximately 259 students.
What is the student-teacher ratio at Mark Twain Sr. High?
The student-teacher ratio at Mark Twain Sr. High is 13.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mark Twain Sr. High rank in MO?
Mark Twain Sr. High ranks #869 of 2,221 schools in MO.
What is Mark Twain Sr. High's MySchoolScout rating?
Mark Twain Sr. High has a current MySchoolScout rating of 6.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Mark Twain Sr. High?
Based on loaded state assessment records, Mark Twain Sr. High has 36% math proficiency (multi-year average, 2009-2022) and 58% reading/ELA proficiency (multi-year average, 2009-2022).
Is Mark Twain Sr. High a charter school?
No, Mark Twain Sr. High is not a charter school. It is a traditional public school operated by the local school district.
Is Mark Twain Sr. High a Title I school?
No, Mark Twain Sr. High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Mark Twain Sr. High?
33.2% of students at Mark Twain Sr. High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
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Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 259
- Student-Teacher Ratio
- 13.6:1
- Teachers (FTE)
- 19
- Free/Reduced Lunch
- 33.2%
- Type
- regular
- Setting
- Remote Rural
- County
- Ralls County
- Chronic Absenteeism (SY 2022-23)
- 21.6%
- Phone
- (573) 267-3397
- 4-Year Graduation
- 90%+
Resources & Links
District
RALLS CO. R-II- District Enrollment
- 838
- Schools in District
- 3
- Per-Pupil Spending
- $10,693
- District Rank
- #1 of 3
Other Schools in This District
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