MARK TWAIN SR. HIGH (RALLS CO. R-II SCH DIST.), Missouri - School Profile in 2023-2024 School Year
Updated on August 8, 2025.
MARK TWAIN SR. HIGH is a High in CENTER, MO. It currently serves 259 students (grades 09-12). The school is part of the RALLS CO. R-II School District.
Below, we provide details about the school including the population per grade, the racial demography of the student population, the racial demography of the student population per gender/sex, and the racial demography per grade level.
You can see similar information for other schools in RALLS CO. R-II School District and all schools in Missouri.
Other Details
School Type: Regular School
School Level: High
Number of Students:259
Number of Teachers: 20
Student/Teacher Ratio: 13.21
Location Info
Location: 21622 HWY 19, CENTER, MO 63436
Mailing Address: 21622 HWY 19, CENTER, MO 63436-9648
Phone: (573)267-3397
Website: http://rallsr2.k12.mo.us/
Data Source: NCES.
Student Population Per Grade
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| Grade | Population |
|---|---|
| Grade 10 | 72 |
| Grade 11 | 54 |
| Grade 12 | 60 |
| Grade 9 | 73 |
Gender/Sex of MARK TWAIN SR. HIGH Student Population
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| Gender | Population | Percent of Population (%) |
|---|---|---|
| Male | 130 | 50.19 |
| Female | 129 | 49.81 |
Race/Ethnicity Demography of MARK TWAIN SR. HIGH Student Population
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Black or African American | 12 | 4.63 |
| Hispanic/Latino | 2 | 0.77 |
| White | 245 | 94.60 |
Male - Race/Ethnicity Demography of Student Population
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Black or African American | 8 | 6.15 |
| Hispanic/Latino | 2 | 1.54 |
| White | 120 | 92.31 |
Female - Race/Ethnicity Demography of Student Population
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Black or African American | 4 | 3.10 |
| White | 125 | 96.90 |
Race Demography Per Grade
The tables below shows the Race/Ethnicity of the student population per grade.Grade 10 - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Black or African American | 6 | 8.33 |
| White | 66 | 91.67 |
Grade 11 - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Black or African American | 2 | 3.70 |
| Hispanic/Latino | 1 | 1.85 |
| White | 51 | 94.44 |
Grade 12 - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Black or African American | 2 | 3.33 |
| White | 58 | 96.67 |
Grade 9 - Race/Ethnicity of Both Genders
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| Race/Ethnicity | Population | Percent of Population (%) |
|---|---|---|
| Black or African American | 2 | 2.74 |
| Hispanic/Latino | 1 | 1.37 |
| White | 70 | 95.89 |