Enrollment
562
California · 2024-25 NCES data
Middle school (grades 6-8) · Bloomington, CA
Ruth O. Harris Middle
Federal NCES profile for Ruth O. Harris Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 39/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 060939002599
👥 S:T ratio 28
🌟 Gifted program 70
🎓 Counselors 44
📋 Attendance 13
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ruth O. Harris Middle earns 39/100 on the Resource Investment Index, with class sizes smaller than 78% of California schools.
- #3 of 9
- public schools in Bloomington · Resource Index
- 39
- Resource Index · Typical
- 18.1:1
- small classes for California
- 70.6%
- free-lunch eligible
Ruth O. Harris Middle has class sizes smaller than 78% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Ruth O. Harris Middle ranks #3 of 9 public schools in Bloomington, CA.
School address
District: Colton Joint Unified · California
NCES ID 060939002599 Verify on NCES CCD record →
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
18.1:1
vs 21.5:1 California avg
-16% vs state
Free-lunch eligible
70.6%
vs 55.5% California avg
+27% vs state
Student-teacher ratio in context
How Ruth O. Harris Middle compares with California and U.S. medians
What stands out at Ruth O. Harris Middle
Ruth O. Harris Middle is a higher-need, mid-sized middle school in Bloomington, California, enrolling 562 students.
Class sizes run a bit leaner than typical: 18.1:1 puts it in the smaller third of California schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 70.6% of students eligible for free meals.
With 562 students, its enrollment sits close to the California median campus size.
Its Resource Investment Index lands in the upper third of 9,998 scored California schools.
Among 2,143 similarly sized, similarly resourced-need California schools statewide, it ranks #161, a top-tier result once campus size and economic need are matched.
Its student body is predominantly Hispanic or Latino (89% of enrollment) (diversity index 21/100).
Counselor coverage runs a bit thin, about 281 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 34.9% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Bloomington's middle schools, it stands alongside Joe Baca (705 students): Ruth O. Harris Middle is smaller than that campus by headcount and runs leaner classes (18.1:1 vs 18.1:1).
Colton Joint Unified also operates Bloomington High (1,794 students) and Colton High (1,729 students) alongside Ruth O. Harris Middle.
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 Ruth O. Harris Middle compares
Ruth O. Harris Middle on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.1:1 | ▼ 16% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 70.6% | ▲ 27% | 55.5% | 51.7% |
| Enrollment | 562 | top 37% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.1:1
Leaner classes than 24% of US schools, heavier class loads than most.
562
Bigger than 69% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
70.6%
free-lunch eligible
- 27% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
18.1:1
students per teacher
- 16% below state mean
Top 22% in California - lower ratio than 78% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
34.9%
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
$16,590
per pupil, district-wide
- above California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors2.0 FTE
Per 281 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 56 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 10.0 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
Hispanic or Latino 88.6%
African American 5.2%
White 2.5%
Asian 2.5%
American Indian / Alaska Native 0.5%
Two or More 0.5%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 88.6% of enrollment.
Student-body diversity index 21.1/100
Simpson diversity index - at 21.1, Ruth O. Harris Middle is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Colton Joint Unified, which includes Ruth O. Harris Middle.
$16,590
Per student
+0%
vs California
Avg $16,509
0%
vs U.S.
Avg $16,593
Revenue mix
Local 20.0%
State 68.2%
Federal 11.8%
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 Ruth O. Harris Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bloomington High | Larger | Similar economic need | Similar S:T ratio |
| Colton High | Larger | Similar economic need | Similar S:T ratio |
| Grand Terrace High Sch at the Ray Abril Jr. Edal Complex | Larger | Lower economic need | Similar S:T ratio |
| Colton Middle | Larger | Similar economic need | Higher S:T ratio |
| Terrace Hills Middle | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Ruth O. Harris Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,794
- Students per teacher
- 16.9:1
- Resource Index
- 37/100
- Enrollment
- 1,729
- Students per teacher
- 18.6:1
- Resource Index
- 34/100
- Enrollment
- 1,647
- Students per teacher
- 19.2:1
- Resource Index
- 35/100
- Enrollment
- 870
- Students per teacher
- 22.9:1
- Resource Index
- 35/100
- Enrollment
- 852
- Students per teacher
- 20.8:1
- Resource Index
- 33/100
Similar middle schools in Bloomington
1 comparable middle schools (grades 6-8) serving the same city.
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~562 students)
Similar student-teacher ratio (~18.1:1)
Next steps
Verify locally before acting on Ruth O. Harris Middle's federal record.
- Compare Ruth O. Harris Middle against another school. Compare schools
- Colton Joint Unified'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 Ruth O. Harris Middle
How many students attend Ruth O. Harris Middle?
Ruth O. Harris Middle has 562 students enrolled. It is a middle school in Bloomington, CA.
What is the student-teacher ratio at Ruth O. Harris Middle?
The student-teacher ratio at Ruth O. Harris Middle is 18.1:1, which is 16% lower than the California average of 21.5:1 and 15% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Ruth O. Harris Middle?
70.6% of students at Ruth O. Harris Middle are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Ruth O. Harris Middle?
The largest demographic group at Ruth O. Harris Middle is Hispanic or Latino at 88.6% of enrollment, in Bloomington, CA.
What is the Resource Investment Index for Ruth O. Harris Middle?
Ruth O. Harris Middle has a Resource Investment Index of 39/100 (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 Ruth O. Harris Middle rank among public schools in Bloomington?
By Resource Investment Index, Ruth O. Harris Middle ranks #3 of 9 public schools in Bloomington, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Bloomington on the city page.
Is Ruth O. Harris Middle a good school?
Ruth O. Harris Middle earns 39/100 on the Resource Investment Index, with class sizes smaller than 78% of California 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 Colton Joint Unified?
Besides Ruth O. Harris Middle, Colton Joint Unified also operates Bloomington High (1,794 students), Colton High (1,729 students), and Grand Terrace High Sch at the Ray Abril Jr. Edal Complex (1,647 students). See the Colton Joint Unified 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.