Enrollment
686
California · 2024-25 NCES data
Elementary school (grades K-5) · Greenfield, CA
Mary Chapa Academy
Federal NCES profile for Mary Chapa Academy, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataElementary school (grades K-5)NCES 061608002009
👥 S:T ratio 12
🌟 Gifted program 30
🎓 Counselors 31
📋 Attendance 66
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mary Chapa Academy earns 35/100 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 4
- elementary schools in Greenfield · Resource Index
- 35
- Resource Index · Typical
- 22.1:1
- students per teacher
- 82.8%
- free-lunch eligible
Mary Chapa Academy has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Mary Chapa Academy ranks #1 of 4 elementary schools in Greenfield, CA.
School address
District: Greenfield Union Elementary · California
NCES ID 061608002009 Verify on NCES CCD record →
Teachers (FTE)
31.0
Federal CCD staff survey
Students per teacher
22.1:1
vs 21.5:1 California avg
+3% vs state
Free-lunch eligible
82.8%
vs 55.5% California avg
+49% vs state
Student-teacher ratio in context
How Mary Chapa Academy compares with California and U.S. medians
What stands out at Mary Chapa Academy
Mary Chapa Academy is a high-poverty, mid-sized elementary school in Greenfield, California, enrolling 686 students.
At 22.1:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.
Economic need is high: 82.8% of students qualify for free meals, 49% above the California average, a Title I-weighted population that federal funding formulas prioritise.
Enrollment of 686 puts it in the larger third of California schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.
Against 1,753 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #216.
Its student body is predominantly Hispanic or Latino (98% of enrollment), among the less diverse in the state (diversity index 3/100).
Counselor availability sits well past the ASCA benchmark, roughly 343 students sharing each counselor, though short of the most stretched campuses.
13.6% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Among Greenfield's elementary schools, it stands alongside Oak Avenue Elementary (693 students): Mary Chapa Academy is smaller than that campus by headcount and runs leaner classes (22.1:1 vs 24.8:1).
Greenfield Union Elementary also operates Vista Verde Middle (727 students) and Oak Avenue Elementary (693 students) alongside Mary Chapa Academy.
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 Mary Chapa Academy compares
Mary Chapa Academy on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 22.1:1 | ▲ 3% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 82.8% | ▲ 49% | 55.5% | 51.7% |
| Enrollment | 686 | top 25% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
22.1:1
Leaner classes than 10% of US schools, heavier class loads than most.
686
Bigger than 79% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
82.8%
free-lunch eligible
- 49% above the California average of 55.5%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Staffing depth
22.1:1
students per teacher
- 3% above state mean
Top 54% in California - lower ratio than 46% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
13.6%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$14,838
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
Counselors2.0 FTE
Per 343 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 8 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 1.5 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 98.3%
White 1.3%
American Indian / Alaska Native 0.3%
Two or More 0.1%
Largest group: Hispanic or Latino at 98.3% of enrollment.
Student-body diversity index 3.4/100
Simpson diversity index - at 3.4, Mary Chapa Academy is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Greenfield Union Elementary, which includes Mary Chapa Academy.
$14,838
Per student
-10%
vs California
Avg $16,509
-11%
vs U.S.
Avg $16,593
Revenue mix
Local 16.3%
State 71.8%
Federal 11.9%
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 Mary Chapa Academy Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Vista Verde Middle | Similar size | Similar economic need | Similar S:T ratio |
| Oak Avenue Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Cesar Chavez Elementary | Similar size | Lower economic need | Higher S:T ratio |
| Arroyo Seco Academy | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to Mary Chapa Academy's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 727
- Students per teacher
- 23.5:1
- Resource Index
- 32/100
- Enrollment
- 693
- Students per teacher
- 24.8:1
- Resource Index
- 26/100
- Enrollment
- 642
- Students per teacher
- 24.7:1
- Resource Index
- 26/100
- Enrollment
- 571
- Students per teacher
- 20.4:1
- Resource Index
- 35/100
Similar elementary schools in Greenfield
3 comparable elementary schools (grades K-5) serving the same city.
Similar elementary 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 (~686 students)
Similar student-teacher ratio (~22.1:1)
Next steps
Verify locally before acting on Mary Chapa Academy's federal record.
- Compare Mary Chapa Academy against another school. Compare schools
- Greenfield Union Elementary'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 Mary Chapa Academy
How many students attend Mary Chapa Academy?
Mary Chapa Academy has 686 students enrolled. It is an elementary school in Greenfield, CA.
What is the student-teacher ratio at Mary Chapa Academy?
The student-teacher ratio at Mary Chapa Academy is 22.1:1, which is 3% higher than the California average of 21.5:1 and 41% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mary Chapa Academy?
82.8% of students at Mary Chapa Academy are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Mary Chapa Academy?
The largest demographic group at Mary Chapa Academy is Hispanic or Latino at 98.3% of enrollment, in Greenfield, CA.
What is the Resource Investment Index for Mary Chapa Academy?
Mary Chapa Academy 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 Mary Chapa Academy rank among elementary schools in Greenfield?
By Resource Investment Index, Mary Chapa Academy ranks #1 of 4 elementary schools in Greenfield, 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 Greenfield on the city page.
Is Mary Chapa Academy a good school?
Mary Chapa Academy earns 35/100 on the Resource Investment Index, with class sizes near the California median. It is also less racially and ethnically mixed than most California schools. 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 Greenfield Union Elementary?
Besides Mary Chapa Academy, Greenfield Union Elementary also operates Vista Verde Middle (727 students), Oak Avenue Elementary (693 students), and Cesar Chavez Elementary (642 students). See the Greenfield Union Elementary 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.