Enrollment
20
California · 2024-25 NCES data
High school (grades 9-12) · Ontario, CA
Chaffey Community Day
Federal NCES profile for Chaffey Community Day, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 060816007260
👥 S:T ratio 60
📚 AP courses 10
🌟 Gifted program 30
🎓 Counselors 92
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Chaffey Community Day earns 48/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools. It is also one of the smallest schools in California.
- #1 of 6
- high schools in Ontario · Resource Index
- 48
- Resource Index · Typical
- 10:1
- small classes for California
- 68.8%
- free-lunch eligible
Chaffey Community Day has class sizes smaller than 96% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Chaffey Community Day ranks #1 of 6 high schools in Ontario, CA.
School address
District: Chaffey Joint Union High · California
NCES ID 060816007260 Verify on NCES CCD record →
Teachers (FTE)
2.0
Federal CCD staff survey
Students per teacher
10:1
vs 21.5:1 California avg
-53% vs state
Free-lunch eligible
68.8%
vs 55.5% California avg
+24% vs state
Student-teacher ratio in context
How Chaffey Community Day compares with California and U.S. medians
What stands out at Chaffey Community Day
Chaffey Community Day is a higher-need, small high school in Ontario, California, enrolling 20 students.
Classes run notably small here: at 10:1, Chaffey Community Day is leaner than roughly 96% of California schools and 53% under the state's 21.5:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 68.8% of students eligible for free meals.
This is a small campus: fewer students than 97% of California schools, with 20 enrolled.
Its Resource Investment Index outscores 97% of the 9,998 California schools with a score on record, a top-tier result on this measure.
Against 127 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #26.
Its student body is predominantly Hispanic or Latino (80% of enrollment) (diversity index 32/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 40 students per counselor, inside the American School Counselor Association's recommended 250:1.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Ontario's high schools, it stands alongside Chaffey High (3,127 students): Chaffey Community Day is smaller than that campus by headcount and runs leaner classes (10:1 vs 22.8:1).
Chaffey Joint Union High also operates Etiwanda High (3,446 students) and Rancho Cucamonga High (3,221 students) alongside Chaffey Community Day.
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 Chaffey Community Day compares
Chaffey Community Day on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10:1 | ▼ 53% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 68.8% | ▲ 24% | 55.5% | 51.7% |
| Enrollment | 20 | top 97% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10:1
Leaner classes than 89% of US schools, among the more generously staffed nationally.
20
Bigger than 3% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
68.8%
free-lunch eligible
- 24% 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
10:1
students per teacher
- 53% below state mean
Top 4% in California - lower ratio than 96% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Funding equity
$15,404
per pupil, district-wide
- below California avg of $16,509
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
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: 15.0 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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 80.0%
African American 20.0%
Largest group: Hispanic or Latino at 80.0% of enrollment.
Student-body diversity index 32.0/100
Simpson diversity index - at 32.0, Chaffey Community Day is less mixed than the California school average of 46.0.
Programs
AP program Not offered
Funding & spending
District-wide per-pupil expenditure for Chaffey Joint Union High, which includes Chaffey Community Day.
$15,404
Per student
-7%
vs California
Avg $16,509
-7%
vs U.S.
Avg $16,593
Revenue mix
Local 35.9%
State 52.9%
Federal 11.2%
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 Chaffey Community Day Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Etiwanda High | Larger | Lower economic need | Higher S:T ratio |
| Rancho Cucamonga High | Larger | Lower economic need | Higher S:T ratio |
| Chaffey High | Larger | Similar economic need | Higher S:T ratio |
| Los Osos High | Larger | Lower economic need | Higher S:T ratio |
| Montclair High | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Chaffey Community Day's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,446
- Students per teacher
- 24.6:1
- Resource Index
- 28/100
- Enrollment
- 3,221
- Students per teacher
- 24.4:1
- Resource Index
- 31/100
- Enrollment
- 3,127
- Students per teacher
- 22.8:1
- Resource Index
- 30/100
- Enrollment
- 2,759
- Students per teacher
- 24.2:1
- Resource Index
- 28/100
- Enrollment
- 2,515
- Students per teacher
- 22.5:1
- Resource Index
- 36/100
Similar high schools in Ontario
5 comparable high schools (grades 9-12) serving the same city.
Chaffey High
Standard public school
3,127 students 22.8:1 students per teacher
Colony High
Standard public school
2,109 students 24.2:1 students per teacher
Ontario High
Standard public school
1,994 students 20.8:1 students per teacher
Valley View High (Continuation)
Alternative education program
370 students 14.8:1 students per teacher
Chaffey District Online High
Alternative education program
93 students 18.6:1 students per teacher
Similar high 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 (~20 students)
Next steps
Verify locally before acting on Chaffey Community Day's federal record.
- Compare Chaffey Community Day against another school. Compare schools
- Chaffey Joint Union High'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 Chaffey Community Day
How many students attend Chaffey Community Day?
Chaffey Community Day has 20 students enrolled. It is a high school in Ontario, CA.
What is the student-teacher ratio at Chaffey Community Day?
The student-teacher ratio at Chaffey Community Day is 10:1, which is 53% lower than the California average of 21.5:1 and 36% lower 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 Chaffey Community Day?
68.8% of students at Chaffey Community Day are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Chaffey Community Day?
The largest demographic group at Chaffey Community Day is Hispanic or Latino at 80.0% of enrollment, in Ontario, CA.
What is the Resource Investment Index for Chaffey Community Day?
Chaffey Community Day has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Chaffey Community Day rank among high schools in Ontario?
By Resource Investment Index, Chaffey Community Day ranks #1 of 6 high schools in Ontario, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Ontario on the city page.
Is Chaffey Community Day a good school?
Chaffey Community Day earns 48/100 on the Resource Investment Index, with class sizes smaller than 96% of California schools. It is also one of the smallest schools in California. 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 Chaffey Joint Union High?
Besides Chaffey Community Day, Chaffey Joint Union High also operates Etiwanda High (3,446 students), Rancho Cucamonga High (3,221 students), and Chaffey High (3,127 students). See the Chaffey Joint Union High 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.