Enrollment
360
Oklahoma · 2024-25 NCES data
Other / mixed grade configuration · Ada, OK
Federal NCES profile for Ada Ec Ctr, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
The verdict
Ada Ec Ctr earns 46/100 on the Resource Investment Index, with class sizes smaller than 73% of Oklahoma schools.
Ada Ec Ctr has class sizes smaller than 73% of Oklahoma schools. Computed live against every Oklahoma school reporting to NCES.
By Resource Investment Index, Ada Ec Ctr ranks #6 of 7 schools in Ada, OK.
Enrollment
360
Oklahoma · 2024-25 NCES data
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 16.1:1 Oklahoma avg
-14% vs state
How Ada Ec Ctr compares with Oklahoma and U.S. medians
Smaller classes than state median
13.8:1 - 2.3 below the Oklahoma state median of 16.1:1, indicating smaller average class loads than typical schools in the state.
Ada Ec Ctr is a mid-sized combined-grade school in Ada, Oklahoma, enrolling 360 students.
Class sizes run a bit leaner than typical: 13.8:1 puts it in the smaller third of Oklahoma schools by student-teacher ratio.
With 360 students, its enrollment sits close to the Oklahoma median campus size.
Its Resource Investment Index sits near the middle of the pack among 1,778 scored Oklahoma schools.
Its student body is led by White (35%) and Two or More (27%) (diversity index 74/100).
Counselor availability sits well past the ASCA benchmark, roughly 360 students sharing each counselor, though short of the most stretched campuses.
Attendance holds up well here: only 7.5% of students were chronically absent, below the typical post-pandemic national figure.
Its district draws 21.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Ada's public schools, it stands alongside Ada Jhs (581 students): Ada Ec Ctr is smaller than that campus by headcount and runs heavier classes (13.8:1 vs 13.2:1).
Ada also operates Ada Jhs (581 students) and Ada Hs (576 students) alongside Ada Ec Ctr.
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
Ada Ec Ctr on the metrics families compare, against Oklahoma and U.S. means.
| Metric | This school | vs Oklahoma | Oklahoma avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▼ 14% | 16.1:1 | 15.7:1 |
| Enrollment | 360 | top 41% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 34.7% of enrollment.
Simpson diversity index - at 73.7, Ada Ec Ctr is more mixed than the Oklahoma school average of 59.6.
District-wide per-pupil expenditure for Ada, which includes Ada Ec Ctr.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ada Jhs | Larger | No free-lunch data | Similar S:T ratio |
| Ada Hs | Larger | No free-lunch data | Similar S:T ratio |
| Hayes Es | Similar size | No free-lunch data | Higher S:T ratio |
| Washington Es | Similar size | No free-lunch data | Higher S:T ratio |
| Willard Es | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Ada Ec Ctr's own figures; each column derives from NCES Common Core of Data.
6 comparable other schools (grades Mixed) serving the same city.
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.
Next steps
Verify locally before acting on Ada Ec Ctr's federal record.
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.
Ada Ec Ctr has 360 students enrolled. It is a public school in Ada, OK.
The student-teacher ratio at Ada Ec Ctr is 13.8:1, which is 14% lower than the Oklahoma average of 16.1:1 and 12% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Ada Ec Ctr is White at 34.7% of enrollment, in Ada, OK. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.7/100.
Ada Ec Ctr has a Resource Investment Index of 46/100 (typical 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).
By Resource Investment Index, Ada Ec Ctr ranks #6 of 7 schools in Ada, OK. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Ada on the city page.
Ada Ec Ctr earns 46/100 on the Resource Investment Index, with class sizes smaller than 73% of Oklahoma schools. 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.
Besides Ada Ec Ctr, Ada also operates Ada Jhs (581 students), Ada Hs (576 students), and Hayes Es (414 students). See the Ada district page for the complete list.
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.
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Last updated:
PlainSchools, “Ada Ec Ctr, Ada OK.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/ada-ec-ctr-ok
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