- Enrollment
- 1,794
- Students per teacher
- 16.9:1
- Resource Index
- 37/100
Elementary school (grades K-5) · Bloomington, CA
Ruth Grimes Elementary
Federal NCES profile for Ruth Grimes Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataElementary school (grades K-5)NCES 060939000955
👥 S:T ratio 16
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Ruth Grimes Elementary earns 22/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools.
- #1 of 5
- elementary schools in Bloomington · Resource Index
- 22
- Resource Index · Lower
- 20.9:1
- students per teacher
- 66.7%
- free-lunch eligible
Ruth Grimes Elementary has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Ruth Grimes Elementary ranks #1 of 5 elementary schools in Bloomington, CA.
School address
District: Colton Joint Unified · California
NCES ID 060939000955 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+5 students YoY
Ruth Grimes Elementary held near 600 students from 2022-23 to 2023-24 (+5 headcount).
Teacher FTE lost 29.2 → 28.2 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+5 students YoY 060939000955 · Bloomington, CA Elementary · MID · TRAD
606 enr · 20.9:1 · 66.7% lunch · RII 22
Nearest enrollment peer: Bloomington High (1,794 students)
Ruth Grimes Elementary held near 600 students from 2022-23 to 2023-24 (+5 headcount). Teacher FTE lost 29.2 → 28.2 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Ruth Grimes Elementary in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Bloomington Hi
Bloomington High
1,794 students
- Colton High
Colton High
1,729 students
- Grand Terrace
Grand Terrace High Sch at the Ray Abril Jr. Edal Complex
1,647 students
- Colton Middle
Colton Middle
870 students
- Terrace Hills
Terrace Hills Middle
852 students
- This school 606
Ruth Grimes Elementary
606 students
What this shows Ruth Grimes Elementary reports 606 students on the CCD universe file.
How Ruth Grimes Elementary compares
Ruth Grimes Elementary held steady on CCD headcount: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.9:1 | ▼ 3% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 66.7% | ▲ 20% | 55.5% | 51.7% |
| Enrollment | 606 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.9:1
Leaner classes than 13% of US schools, heavier class loads than most.
606
Bigger than 73% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
66.7%
free-lunch eligible
- 20% 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
20.9:1
students per teacher
- 3% below state mean
Top 42% in California - lower ratio than 58% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
47.0%
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
$18,922
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 606 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.5 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 93.2%
African American 2.5%
White 2.1%
Asian 1.5%
Native Hawaiian / Pacific Islander 0.7%
Largest group: Hispanic or Latino at 93.2% of enrollment.
Student-body diversity index 13.0/100
Simpson diversity index - at 13.0, Ruth Grimes Elementary is less mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for Colton Joint Unified reports $18,922 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Ruth Grimes Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bloomington High | Larger | Similar economic need | Lower S:T ratio |
| Colton High | Larger | Similar economic need | Lower S:T ratio |
| Grand Terrace High Sch at the Ray Abril Jr. Edal Complex | Larger | Lower economic need | Lower S:T ratio |
| Colton Middle | Larger | Similar economic need | Higher S:T ratio |
| Terrace Hills Middle | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Ruth Grimes Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- 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 elementary schools in Bloomington
4 comparable elementary schools (grades K-5) serving the same city.
Crestmore Elementary
Standard public school
586 students 22.5:1 students per teacher
Gerald a. Smith Elementary
Standard public school
565 students 22.6:1 students per teacher
Mary B. Lewis Elementary
Standard public school
548 students 22.8:1 students per teacher
Walter Zimmerman Elementary
Standard public school
512 students 22.3:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~606 students)
Frequently asked questions about Ruth Grimes Elementary
How many students attend Ruth Grimes Elementary?
Ruth Grimes Elementary has 606 students enrolled. It is an elementary school in Bloomington, CA. CCD year-over-year: 595 (2022-23) → 600 (2023-24), nearly flat (+5).
What is the student-teacher ratio at Ruth Grimes Elementary?
The student-teacher ratio at Ruth Grimes Elementary is 20.9:1, which is 3% lower than the California average of 21.5:1 and 33% 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 Grimes Elementary?
66.7% of students at Ruth Grimes Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Ruth Grimes Elementary?
The largest demographic group at Ruth Grimes Elementary is Hispanic or Latino at 93.2% of enrollment, in Bloomington, CA.
What is the Resource Investment Index for Ruth Grimes Elementary?
Ruth Grimes Elementary has a Resource Investment Index of 22/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Ruth Grimes Elementary rank among elementary schools in Bloomington?
By Resource Investment Index, Ruth Grimes Elementary ranks #1 of 5 elementary 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 elementary schools in Bloomington on the city page.
What other schools are in Colton Joint Unified?
Besides Ruth Grimes Elementary, 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.