Average
#899 of 2,216 schools in MO
Top 41% 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
6.7
Grades
9th – 12th
Enrollment
259
Student-Teacher
13.6:1
Score
6.7
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Center
#1 of 3
public schools
Missouri high schools
#209 of 532
In district
#1 of 3
RALLS CO. R-II
Academic performance
7.6 / 10
Very strong
About Mark Twain Sr. High
Mark Twain Sr. High is a regular public high school located in the remote rural setting of Center, Missouri, serving students from ninth through twelfth grade. With an enrollment of 259 students and a student-to-teacher ratio of 13.6:1, Mark Twain Sr.
High provides a more personalized learning environment compared to larger schools. The school has 19 full-time equivalent teachers dedicated to supporting the academic growth and development of its students. According to MySchoolScout ratings, Mark Twain Sr.
High scores a 5.7 out of 10 overall, placing it at the 58th percentile among Missouri's high schools with a state ranking of #951 out of 2234 schools. In terms of academic performance, students have shown proficiency rates of 51% in ELA/Reading and 37% in Math across all grades. While there is room for improvement in test scores, the school focuses on fostering student development through a variety of educational programs and resources tailored to meet the needs of its rural community.
Mark Twain Sr. High sits in a setting that offers a close-knit atmosphere where students can build strong relationships with their peers and teachers.
What Parents Should Know
Located in a rural area, Mark Twain Sr. High may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
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Mark Twain Sr. High — Students at Mark Twain Sr. High score 48% proficient, which is above what's typical for similar communities (expected: 47%).
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 6 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: 7.1/10.
How Mark Twain Sr. High Compares
See how Mark Twain Sr. High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has remained stable from 44.5% (2019) to 44.5% (2022). Reading/ELA proficiency has declined from 54.5% (2019) to 52% (2022).
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. HANNIBAL SR. HIGH (rated 7.4/10, 15.6 miles away, in nearby Hannibal), which scores slightly higher. Another option is MONROE CITY R-I HIGH (rated 7.3/10, 15.1 miles away, in nearby Monroe City), which scores slightly higher. Additionally, VAN-FAR JR./SR. HIGH (rated 4.9/10, 14.9 miles away, in nearby Vandalia), a more accessible option. 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 | 3.6 |
| RALLS COUNTY ELEMENTARY Center | 0.1 mi | 5.5 |
| FRANKFORD ELEM. Frankford | 10.3 mi | 4.1 |
| OAKWOOD ELEM. Hannibal | 13.2 mi | 6.7 |
| VAN-FAR ELEM. Vandalia | 14.5 mi | 6.7 |
| VAN-FAR JR./SR. HIGH Vandalia | 14.9 mi | 4.9 |
| EARLY CHILDHOOD CENTER Hannibal | 15.2 mi | 6.2 |
| MARK TWAIN ELEM. Hannibal | 14.9 mi | 5.0 |
| VETERANS ELEM. Hannibal | 15.5 mi | 7.5 |
| MISSISSIPPI VALLEY SCHOOL Hannibal | 15.3 mi | — |
| EUGENE FIELD ELEM. Hannibal | 14.9 mi | 4.2 |
| ST JOHNS LUTHERAN SCHOOL Hannibal | 15.0 mi | 6.1 |
| HANNIBAL SR. HIGH Hannibal | 15.6 mi | 7.4 |
| HOLY FAMILY SCHOOL Hannibal | 15.2 mi | 5.7 |
| HANNIBAL MIDDLE Hannibal | 15.8 mi | 7.4 |
| A. D. STOWELL ELEM. Hannibal | 15.5 mi | 3.8 |
| MONROE CITY R-I HIGH Monroe City | 15.1 mi | 7.3 |
| MONROE CITY ELEM. Monroe City | 15.2 mi | 5.1 |
| MONROE CITY MIDDLE Monroe City | 15.2 mi | 7.9 |
| 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
Community Profile
The community surrounding Mark Twain Sr. High has a median household income of $63,500. It is a community where 11% of adults hold a bachelor's degree or higher. The median home value in the area is $175,600, with a median rent of $513/month. The local poverty rate of 8.1% is relatively low. The average commute for residents is 23 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| ROCK PORT HIGH Rock Port, MO | 6.7 |
| VAN BUREN HIGH Van Buren, MO | 6.7 |
| CARUTHERSVILLE HIGH Caruthersville, MO | 6.8 |
| KNOX CO. HIGH Edina, MO | 6.8 |
| New Franklin Middle-High New Franklin, MO | 6.8 |
| OAK RIDGE HIGH Oak Ridge, MO | 6.8 |
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 is ranked #899 out of 2,216 schools in MO.
What is Mark Twain Sr. High's MySchoolScout rating?
Mark Twain Sr. High has a composite rating of 6.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Mark Twain Sr. High?
Based on the most recent state assessment data, Mark Twain Sr. High has 37.0% math proficiency and 51.2% reading/ELA proficiency.
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
- County Safety
- Low (212/100K)
FBI UCR 2024. County-level only. Data >1 year old.
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
- Phone
- (573) 267-3397
- Data Year
- 2023–2024
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
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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