Enrollment
665
Utah · 2024-25 NCES data
Other / mixed grade configuration · Tooele, UT
Old Mill School
Federal NCES profile for Old Mill School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 9/100.
2024-25 NCES dataOther / mixed grade configurationNCES 490105001519
👥 S:T ratio 0
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 7
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Old Mill School earns 9/100 on the Resource Investment Index, with class sizes larger than 85% of Utah schools.
- #6 of 6
- schools in Tooele · Resource Index
- 9
- Resource Index · Lower
- 25.6:1
- large classes for Utah
- 12.6%
- free-lunch eligible
Old Mill School has class sizes larger than 85% of Utah schools. Computed live against every Utah school reporting to NCES.
By Resource Investment Index, Old Mill School ranks #6 of 6 schools in Tooele, UT.
School address
Teachers (FTE)
26.0
Federal CCD staff survey
Students per teacher
25.6:1
vs 21.4:1 Utah avg
+20% vs state
Free-lunch eligible
12.6%
vs 28.0% Utah avg
-55% vs state
Student-teacher ratio in context
How Old Mill School compares with Utah and U.S. medians
What stands out at Old Mill School
Old Mill School is a lower-poverty, mid-sized combined-grade school in Tooele, Utah, enrolling 665 students.
Class loads run somewhat heavier than typical: 25.6:1 puts it in the larger third of Utah schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 12.6% of students eligible for free meals.
Enrollment of 665 puts it in the larger third of Utah schools by headcount.
Its Resource Investment Index trails 99% of the 1,065 Utah schools with a score on record, one of the lower results on this measure.
Among 346 similarly sized, similarly resourced-need Utah schools statewide, it ranks #336, in the lower tier once campus size and economic need are matched.
Its student body is led by White (75%) and Hispanic or Latino (17%) (diversity index 40/100).
Counselor access is stretched at roughly 1330 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 37.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Tooele's public schools, it stands alongside Copper Canyon School (544 students): Old Mill School is larger than that campus by headcount and runs leaner classes (25.6:1 vs 27.2:1).
Tooele District also operates Stansbury High (2,314 students) and Tooele High (1,900 students) alongside Old Mill School.
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 Old Mill School compares
Old Mill School on the metrics families compare, against Utah and U.S. means.
| Metric | This school | vs Utah | Utah avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 25.6:1 | ▲ 20% | 21.4:1 | 15.7:1 |
| Free-lunch eligible | 12.6% | ▼ 55% | 28.0% | 51.7% |
| Enrollment | 665 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.6:1
Leaner classes than 4% of US schools, heavier class loads than most.
665
Bigger than 78% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
12.6%
free-lunch eligible
- 55% below the Utah average of 28.0%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
25.6:1
students per teacher
- 20% above state mean
Top 85% in Utah - lower ratio than 15% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
37.4%
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
$8,137
per pupil, district-wide
- below Utah avg of $9,792
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
12
in-school suspensions + 8 out-of-school
Suspension rate: 1.8 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 75.2%
Hispanic or Latino 16.8%
Native Hawaiian / Pacific Islander 3.3%
Two or More 3.0%
Asian 1.4%
American Indian / Alaska Native 0.3%
Largest group: White at 75.2% of enrollment.
Student-body diversity index 40.4/100
Simpson diversity index - at 40.4, Old Mill School is about as mixed as the Utah school average of 40.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Tooele District, which includes Old Mill School.
$8,137
Per student
-17%
vs Utah
Avg $9,792
-51%
vs U.S.
Avg $16,593
Revenue mix
Local 27.4%
State 63.7%
Federal 8.8%
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 Old Mill School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Stansbury High | Larger | Similar economic need | Higher S:T ratio |
| Tooele High | Larger | Similar economic need | Lower S:T ratio |
| Grantsville High | Larger | Similar economic need | Lower S:T ratio |
| Clarke N. Johnsen Jr High | Larger | Similar economic need | Lower S:T ratio |
| Sterling School | Similar size | Higher economic need | Lower S:T ratio |
Comparisons are relative to Old Mill School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,314
- Students per teacher
- 30.1:1
- Resource Index
- 38/100
- Enrollment
- 1,900
- Students per teacher
- 23.8:1
- Resource Index
- 31/100
- Enrollment
- 1,094
- Students per teacher
- 20.6:1
- Resource Index
- 37/100
- Enrollment
- 840
- Students per teacher
- 20.5:1
- Resource Index
- 49/100
- Enrollment
- 772
- Students per teacher
- 18.8:1
- Resource Index
- 14/100
Similar other schools in Tooele
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Utah, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~665 students)
Similar student-teacher ratio (~25.6:1)
Next steps
Verify locally before acting on Old Mill School's federal record.
- Compare Old Mill School against another school. Compare schools
- Tooele District'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 Old Mill School
How many students attend Old Mill School?
Old Mill School has 665 students enrolled. It is a public school in Tooele, UT.
What is the student-teacher ratio at Old Mill School?
The student-teacher ratio at Old Mill School is 25.6:1, which is 20% higher than the Utah average of 21.4:1 and 63% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Old Mill School?
12.6% of students at Old Mill School are eligible for free lunch, compared to the Utah average of 28.0%.
What is the racial and ethnic makeup of Old Mill School?
The largest demographic group at Old Mill School is White at 75.2% of enrollment, in Tooele, UT.
What is the Resource Investment Index for Old Mill School?
Old Mill School has a Resource Investment Index of 9/100 (lower 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 Old Mill School rank among schools in Tooele?
By Resource Investment Index, Old Mill School ranks #6 of 6 schools in Tooele, UT. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Tooele on the city page.
Is Old Mill School a good school?
Old Mill School earns 9/100 on the Resource Investment Index, with class sizes larger than 85% of Utah 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 Tooele District?
Besides Old Mill School, Tooele District also operates Stansbury High (2,314 students), Tooele High (1,900 students), and Grantsville High (1,094 students). See the Tooele District 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.