Enrollment
467
Oklahoma · 2024-25 NCES data
Other / mixed grade configuration · Owasso, OK
Mills Es
Federal NCES profile for Mills Es, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataOther / mixed grade configurationNCES 402328001881
👥 S:T ratio 31
🌟 Gifted program 70
🎓 Counselors 7
📋 Attendance 34
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mills Es earns 35/100 on the Resource Investment Index, with class sizes larger than 70% of Oklahoma schools.
- #8 of 8
- schools in Owasso · Resource Index
- 35
- Resource Index · Typical
- 17.3:1
- large classes for Oklahoma
- 467
- students enrolled
Mills Es has class sizes larger than 70% of Oklahoma schools. Computed live against every Oklahoma school reporting to NCES.
By Resource Investment Index, Mills Es ranks #8 of 8 schools in Owasso, OK.
School address
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
17.3:1
vs 16.1:1 Oklahoma avg
+7% vs state
Student-teacher ratio in context
How Mills Es compares with Oklahoma and U.S. medians
What stands out at Mills Es
Mills Es is a mid-sized combined-grade school in Owasso, Oklahoma, enrolling 467 students.
Class loads run somewhat heavier than typical: 17.3:1 puts it in the larger third of Oklahoma schools by student-teacher ratio.
Enrollment of 467 puts it in the larger third of Oklahoma schools by headcount.
Its Resource Investment Index lands in the lower third of 1,778 scored Oklahoma schools.
Its student body is led by White (44%) and Hispanic or Latino (21%) (diversity index 72/100).
Counselor access is stretched at roughly 467 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 26.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Owasso spends $8,593 per pupil, 32% below the Oklahoma average, a leaner-resourced district than most.
Among Owasso's public schools, it stands alongside Stone Canyon Es (585 students): Mills Es is smaller than that campus by headcount and runs heavier classes (17.3:1 vs 15.8:1).
Owasso also operates Owasso Hs (3,050 students) and Owasso 8th Grade Ctr (782 students) alongside Mills 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 Mills Es compares
Mills 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 | 17.3:1 | ▲ 7% | 16.1:1 | 15.7:1 |
| Enrollment | 467 | top 26% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.3:1
Leaner classes than 29% of US schools, heavier class loads than most.
467
Bigger than 57% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
17.3:1
students per teacher
- 7% above state mean
Top 70% in Oklahoma - lower ratio than 30% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
26.3%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$8,593
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 467 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 32 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 6.9 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 44.3%
Hispanic or Latino 21.0%
Two or More 16.9%
Asian 6.6%
American Indian / Alaska Native 5.6%
African American 4.9%
Native Hawaiian / Pacific Islander 0.6%
Largest group: White at 44.3% of enrollment.
Student-body diversity index 72.1/100
Simpson diversity index - at 72.1, Mills Es is more mixed than the Oklahoma school average of 59.6.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Owasso, which includes Mills Es.
$8,593
Per student
-32%
vs Oklahoma
Avg $12,594
-48%
vs U.S.
Avg $16,593
Revenue mix
Local 48.4%
State 39.0%
Federal 12.7%
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 Mills Es Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Owasso Hs | Larger | No free-lunch data | Higher S:T ratio |
| Owasso 8th Grade Ctr | Larger | No free-lunch data | Higher S:T ratio |
| Owasso 7th Grade Ctr | Larger | No free-lunch data | Similar S:T ratio |
| Owasso 6th Grade Ctr | Larger | No free-lunch data | Similar S:T ratio |
| Lucille Ellingwood Morrow Es | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Mills Es's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,050
- Students per teacher
- 21.9:1
- Resource Index
- 40/100
- Enrollment
- 782
- Students per teacher
- 19.6:1
- Resource Index
- 42/100
- Enrollment
- 718
- Students per teacher
- 17.5:1
- Resource Index
- 45/100
- Enrollment
- 713
- Students per teacher
- 18.3:1
- Resource Index
- 37/100
- Enrollment
- 635
- Students per teacher
- 18.7:1
- Resource Index
- 38/100
Similar other schools in Owasso
6 comparable other schools (grades Mixed) serving the same city.
Stone Canyon Es
Standard public school
585 students 15.8:1 students per teacher
Pamela Hodson Es
Standard public school
563 students 17.1:1 students per teacher
Barnes Es
Standard public school
510 students 16.5:1 students per teacher
Northeast Es
Standard public school
487 students 16.8:1 students per teacher
Larkin Bailey Es
Standard public school
470 students 18.8:1 students per teacher
Hayward Smith Es
Standard public school
407 students 17:1 students per teacher
Similar other 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 (~467 students)
Similar student-teacher ratio (~17.3:1)
Next steps
Verify locally before acting on Mills Es's federal record.
- Compare Mills Es against another school. Compare schools
- Owasso'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 Mills Es
How many students attend Mills Es?
Mills Es has 467 students enrolled. It is a public school in Owasso, OK.
What is the student-teacher ratio at Mills Es?
The student-teacher ratio at Mills Es is 17.3:1, which is 7% higher than the Oklahoma average of 16.1:1 and 10% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Mills Es?
The largest demographic group at Mills Es is White at 44.3% of enrollment, in Owasso, OK. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 72.1/100.
What is the Resource Investment Index for Mills Es?
Mills Es has a Resource Investment Index of 35/100 (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).
How does Mills Es rank among schools in Owasso?
By Resource Investment Index, Mills Es ranks #8 of 8 schools in Owasso, OK. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Owasso on the city page.
Is Mills Es a good school?
Mills Es earns 35/100 on the Resource Investment Index, with class sizes larger than 70% 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.
What other schools are in Owasso?
Besides Mills Es, Owasso also operates Owasso Hs (3,050 students), Owasso 8th Grade Ctr (782 students), and Owasso 7th Grade Ctr (718 students). See the Owasso 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.