Enrollment
336
Oklahoma · 2024-25 NCES data
Elementary school (grades K-5) · Duncan, OK
Emerson Es
Federal NCES profile for Emerson Es, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataElementary school (grades K-5)NCES 401029000448
👥 S:T ratio 42
🌟 Gifted program 70
🎓 Counselors 33
📋 Attendance 69
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Emerson Es earns 53/100 on the Resource Investment Index, with class sizes near the Oklahoma median.
- #3 of 5
- elementary schools in Duncan · Resource Index
- 53
- Resource Index · Higher
- 14.6:1
- students per teacher
- 336
- students enrolled
Emerson Es has class sizes near the Oklahoma median. Computed live against every Oklahoma school reporting to NCES.
By Resource Investment Index, Emerson Es ranks #3 of 5 elementary schools in Duncan, OK.
School address
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
14.6:1
vs 16.1:1 Oklahoma avg
-9% vs state
Student-teacher ratio in context
How Emerson Es compares with Oklahoma and U.S. medians
What stands out at Emerson Es
Emerson Es is a mid-sized elementary school in Duncan, Oklahoma, enrolling 336 students.
Class sizes run a bit leaner than typical: 14.6:1 puts it in the smaller third of Oklahoma schools by student-teacher ratio.
With 336 students, its enrollment sits close to the Oklahoma median campus size.
Its Resource Investment Index lands in the upper third of 1,778 scored Oklahoma schools.
Its student body is led by White (54%) and Hispanic or Latino (20%) (diversity index 64/100).
Counselor availability sits well past the ASCA benchmark, roughly 336 students sharing each counselor, though short of the most stretched campuses.
12.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Its district draws 19.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Duncan's elementary schools, it stands alongside Horace Mann Es (327 students): Emerson Es is larger than that campus by headcount and runs leaner classes (14.6:1 vs 15.6:1).
Duncan also operates Duncan Hs (981 students) and Duncan Ms (696 students) alongside Emerson Es.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Emerson Es compares
Emerson Es on the metrics families compare, against Oklahoma and U.S. means.
| Metric | This school | vs Oklahoma | Oklahoma avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.6:1 | ▼ 9% | 16.1:1 | 15.7:1 |
| Enrollment | 336 | top 44% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.6:1
Leaner classes than 51% of US schools, a middle-of-the-pack class size.
336
Bigger than 38% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
14.6:1
students per teacher
- 9% below state mean
Top 37% in Oklahoma - lower ratio than 63% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
12.5%
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
$10,861
per pupil, district-wide
- below Oklahoma avg of $12,594
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 336 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 10 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 3.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 53.6%
Hispanic or Latino 20.2%
Two or More 17.0%
American Indian / Alaska Native 4.2%
African American 3.6%
Asian 1.5%
Largest group: White at 53.6% of enrollment.
Student-body diversity index 64.0/100
Simpson diversity index - at 64.0, Emerson Es is more mixed than the Oklahoma school average of 59.6.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Duncan, which includes Emerson Es.
$10,861
Per student
-14%
vs Oklahoma
Avg $12,594
-35%
vs U.S.
Avg $16,593
Revenue mix
Local 31.4%
State 48.7%
Federal 19.9%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Emerson 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 | Similar S:T ratio |
| Horace Mann Es | Similar size | No free-lunch data | Similar S:T ratio |
| Woodrow Wilson Es | Similar size | No free-lunch data | Higher S:T ratio |
| Plato Es | Similar size | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Emerson Es's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 981
- Students per teacher
- 18.9:1
- Resource Index
- 51/100
- Enrollment
- 696
- Students per teacher
- 14.5:1
- Resource Index
- 58/100
- Enrollment
- 327
- Students per teacher
- 15.6:1
- Resource Index
- 57/100
- Enrollment
- 321
- Students per teacher
- 17.8:1
- Resource Index
- 50/100
- Enrollment
- 283
- Students per teacher
- 18.9:1
- Resource Index
- 48/100
Similar elementary schools in Duncan
4 comparable elementary schools (grades K-5) serving the same city.
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
Mark Twain Es
Standard public school
160 students 10.7:1 students per teacher
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Oklahoma, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~336 students)
Similar student-teacher ratio (~14.6:1)
Next steps
Verify locally before acting on Emerson Es's federal record.
- Compare Emerson Es against another school. Compare schools
- Duncan's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Emerson Es
How many students attend Emerson Es?
Emerson Es has 336 students enrolled. It is an elementary school in Duncan, OK.
What is the student-teacher ratio at Emerson Es?
The student-teacher ratio at Emerson Es is 14.6:1, which is 9% lower than the Oklahoma average of 16.1:1 and 7% 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 Emerson Es?
The largest demographic group at Emerson Es is White at 53.6% of enrollment, in Duncan, OK. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.0/100.
What is the Resource Investment Index for Emerson Es?
Emerson Es has a Resource Investment Index of 53/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Emerson Es rank among elementary schools in Duncan?
By Resource Investment Index, Emerson Es ranks #3 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.
Is Emerson Es a good school?
Emerson Es earns 53/100 on the Resource Investment Index, with class sizes near the Oklahoma median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Duncan?
Besides Emerson Es, Duncan also operates Duncan Hs (981 students), Duncan Ms (696 students), and Horace Mann Es (327 students). See the Duncan district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.