- Enrollment
- 981
- Students per teacher
- 18.9:1
- Resource Index
- 51/100
Elementary school (grades K-5) · Duncan, OK
Mark Twain Es
Federal NCES profile for Mark Twain Es, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 71/100.
2024-25 NCES dataElementary school (grades K-5)NCES 401029000451
👥 S:T ratio 57
🌟 Gifted program 70
🎓 Counselors 68
📋 Attendance 89
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mark Twain Es earns 71/100 on the Resource Investment Index, with class sizes smaller than 92% of Oklahoma schools.
- #1 of 5
- elementary schools in Duncan · Resource Index
- 71
- Resource Index · Higher
- 10.7:1
- small classes for Oklahoma
- 160
- students enrolled
Mark Twain Es has class sizes smaller than 92% of Oklahoma schools. Computed live against every Oklahoma school reporting to NCES.
By Resource Investment Index, Mark Twain Es ranks #1 of 5 elementary schools in Duncan, OK.
School address
CCD year-over-year · 2022-23 → 2023-24
-34 students YoY
Mark Twain Es shrank from 186 students in 2022-23 to 152 in 2023-24 (-18.3%).
Teacher FTE lost 15.5 → 13.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-34 students YoY 401029000451 · Duncan, OK Elementary · SMALL · TRAD
160 enr · 10.7:1 · RII 71
Nearest enrollment peer: Duncan Hs (981 students)
Mark Twain Es shrank from 186 students in 2022-23 to 152 in 2023-24 (-18.3%). Teacher FTE lost 15.5 → 13.9 across the same CCD years. Read with this school → · District book → · Oklahoma schools → · Find another →
Mark Twain Es in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Duncan Hs
Duncan Hs
981 students
- Duncan Ms
Duncan Ms
696 students
- Emerson Es 336
Emerson Es
336 students
- Horace Mann Es 327
Horace Mann Es
327 students
- Woodrow Wilson 321
Woodrow Wilson Es
321 students
- This school 160
Mark Twain Es
160 students
What this shows Mark Twain Es reports 160 students on the CCD universe file.
How Mark Twain Es compares
Mark Twain Es is a shrinking campus on CCD: ratios and free-lunch share vs Oklahoma and U.S. means.
| Metric | This school | vs Oklahoma | Oklahoma avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.7:1 | ▼ 34% | 16.1:1 | 15.7:1 |
| Enrollment | 160 | top 74% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.7:1
Leaner classes than 85% of US schools, among the more generously staffed nationally.
160
Bigger than 16% of US schools by enrollment, a small campus.
Equity indicators methodology
Staffing depth
10.7:1
students per teacher
- 34% below state mean
Top 8% in Oklahoma - lower ratio than 92% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
4.4%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$10,866
per pupil, district-wide
- below Oklahoma avg of $13,168
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 160 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 5 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 3.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 53.8%
Hispanic or Latino 19.4%
Two or More 15.6%
American Indian / Alaska Native 5.0%
African American 3.8%
Asian 2.5%
Largest group: White at 53.8% of enrollment.
Student-body diversity index 64.4/100
Simpson diversity index - at 64.4, Mark Twain Es is more mixed than the Oklahoma school average of 59.6.
Programs
Gifted & talented Yes
District finance for Duncan reports $10,866 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mark Twain Es Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Duncan Hs | Larger | No free-lunch data | Higher S:T ratio |
| Duncan Ms | Larger | No free-lunch data | Higher S:T ratio |
| Emerson Es | Larger | No free-lunch data | Higher S:T ratio |
| Horace Mann Es | Larger | No free-lunch data | Higher S:T ratio |
| Woodrow Wilson Es | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Mark Twain Es's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 696
- Students per teacher
- 14.5:1
- Resource Index
- 58/100
- Enrollment
- 336
- Students per teacher
- 14.6:1
- Resource Index
- 53/100
- Enrollment
- 327
- Students per teacher
- 15.6:1
- Resource Index
- 57/100
- Enrollment
- 321
- Students per teacher
- 17.8:1
- Resource Index
- 50/100
Similar elementary schools in Duncan
4 comparable elementary schools (grades K-5) serving the same city.
Emerson Es
Standard public school
336 students 14.6:1 students per teacher
Horace Mann Es
Standard public school
327 students 15.6:1 students per teacher
Woodrow Wilson Es
Standard public school
321 students 17.8:1 students per teacher
Plato Es
Standard public school
283 students 18.9:1 students per teacher
Nationwide elementary 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 (~160 students)
Similar student-teacher ratio (~10.7:1)
Frequently asked questions about Mark Twain Es
How many students attend Mark Twain Es?
Mark Twain Es has 160 students enrolled. It is an elementary school in Duncan, OK. CCD year-over-year: 186 (2022-23) → 152 (2023-24), down 34.
What is the student-teacher ratio at Mark Twain Es?
The student-teacher ratio at Mark Twain Es is 10.7:1, which is 34% lower than the Oklahoma average of 16.1:1 and 32% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Mark Twain Es?
The largest demographic group at Mark Twain Es is White at 53.8% of enrollment, in Duncan, OK. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.4/100.
What is the Resource Investment Index for Mark Twain Es?
Mark Twain Es has a Resource Investment Index of 71/100 (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 Es rank among elementary schools in Duncan?
By Resource Investment Index, Mark Twain Es ranks #1 of 5 elementary schools in Duncan, OK. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Duncan on the city page.
What other schools are in Duncan?
Besides Mark Twain Es, Duncan also operates Duncan Hs (981 students), Duncan Ms (696 students), and Emerson Es (336 students). See the Duncan district page for the complete list.