Elementary school (grades K-5) · Antioch, CA

Antioch Charter Academy Ii

Federal NCES profile for Antioch Charter Academy Ii, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.

2024-25 NCES dataElementary school (grades K-5)NCES 060182211984Charter school
0/100100/10042/100
👥 S:T ratio
9
🌟 Gifted program
30
📋 Attendance
88
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Antioch Charter Academy Ii earns 42/100 on the Resource Investment Index, with class sizes near the California median. It is also more racially and ethnically mixed than most California schools.

#3 of 17
elementary schools in Antioch · Resource Index
42
Resource Index · Typical
22.7:1
students per teacher
36.1%
free-lunch eligible

Antioch Charter Academy Ii has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Antioch Charter Academy Ii ranks #3 of 17 elementary schools in Antioch, CA.

Enrollment

204

California · 2024-25 NCES data

Teachers (FTE)

9.0

Federal CCD staff survey

Students per teacher

22.7:1

vs 21.5:1 California avg

+6% vs state

Free-lunch eligible

36.1%

vs 55.5% California avg

-35% vs state

Student-teacher ratio in context

How Antioch Charter Academy Ii compares with California and U.S. medians

Slightly above state median
0:135:122.7:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Antioch Charter Academy Ii

Antioch Charter Academy Ii is a mid-sized charter elementary school in Antioch, California, enrolling 204 students.

At 22.7:1, 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 runs somewhat below the state's typical profile, with 36.1% of students eligible for free meals.

Enrollment of 204 puts it in the smaller third of California schools by headcount.

Its Resource Investment Index lands in the upper third of 9,998 scored California schools.

Against 360 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #80.

Its student body is led by Hispanic or Latino (47%) and White (24%), more mixed than most schools in the state (diversity index 70/100).

Attendance holds up well here: only 4.9% of students were chronically absent, below the typical post-pandemic national figure.

The surrounding Antioch Charter Academy Ii District spends $11,082 per pupil, 33% below the California average, a leaner-resourced district than most.

Among Antioch's elementary schools, it stands alongside Muir (John) Elementary (660 students): Antioch Charter Academy Ii is smaller than that campus by headcount and runs leaner classes (22.7:1 vs 22.8:1).

Antioch Charter Academy Ii District is a single-school charter district, so Antioch Charter Academy Ii operates independently rather than alongside district-mates.

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 Antioch Charter Academy Ii compares

Antioch Charter Academy Ii on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 22.7:1 ▲ 6% 21.5:1 15.7:1
Free-lunch eligible 36.1% ▼ 35% 55.5% 51.7%
Enrollment 204 top 83% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

22.7:1
Leaner classes than 9% of US schools, heavier class loads than most.
204
Bigger than 20% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
36.1%
free-lunch eligible - 35% below the California average of 55.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
22.7:1
students per teacher - 6% above state mean
Top 59% in California - lower ratio than 41% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
4.9%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$11,082
per pupil, district-wide - below California avg of $16,509
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 46.6%
White 24.0%
African American 10.3%
Two or More 8.3%
Asian 7.4%
Native Hawaiian / Pacific Islander 2.0%
American Indian / Alaska Native 1.5%

Largest group: Hispanic or Latino at 46.6% of enrollment.

Student-body diversity index 70.2/100

Simpson diversity index - at 70.2, Antioch Charter Academy Ii is more mixed than the California school average of 46.0.

Programs

Funding & spending

District-wide per-pupil expenditure for Antioch Charter Academy Ii District, which includes Antioch Charter Academy Ii.

$11,082
Per student
-33%
vs California
Avg $16,509
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 27.5%
State 70.6%
Federal 1.9%

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.

Similar elementary schools in Antioch

6 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.

Next steps

Verify locally before acting on Antioch Charter Academy Ii's federal record.

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 Antioch Charter Academy Ii

How many students attend Antioch Charter Academy Ii?

Antioch Charter Academy Ii has 204 students enrolled. It is an elementary school in Antioch, CA.

What is the student-teacher ratio at Antioch Charter Academy Ii?

The student-teacher ratio at Antioch Charter Academy Ii is 22.7:1, which is 6% higher than the California average of 21.5:1 and 45% higher than the national average of 15.7:1.

What percentage of students receive free lunch at Antioch Charter Academy Ii?

36.1% of students at Antioch Charter Academy Ii are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Antioch Charter Academy Ii?

The largest demographic group at Antioch Charter Academy Ii is Hispanic or Latino at 46.6% of enrollment, in Antioch, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 70.2/100.

What is the Resource Investment Index for Antioch Charter Academy Ii?

Antioch Charter Academy Ii has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Antioch Charter Academy Ii rank among elementary schools in Antioch?

By Resource Investment Index, Antioch Charter Academy Ii ranks #3 of 17 elementary schools in Antioch, 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 Antioch on the city page.

Is Antioch Charter Academy Ii a good school?

Antioch Charter Academy Ii earns 42/100 on the Resource Investment Index, with class sizes near the California median. It is also more 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 Antioch Charter Academy Ii District?

None; Antioch Charter Academy Ii District is a single-school charter district, and Antioch Charter Academy Ii is its only campus.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

View saved

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.