Enrollment
840
California · 2024-25 NCES data
Elementary school (grades K-5) · Sacramento, CA
Charles E. Mack Elementary
Federal NCES profile for Charles E. Mack Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 18/100.
2024-25 NCES dataElementary school (grades K-5)NCES 061233001405
👥 S:T ratio 0
🌟 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
Charles E. Mack Elementary earns 18/100 on the Resource Investment Index, with class sizes larger than 82% of California schools.
- #99 of 124
- elementary schools in Sacramento · Resource Index
- 18
- Resource Index · Lower
- 25.5:1
- large classes for California
- 63.0%
- free-lunch eligible
Charles E. Mack Elementary has class sizes larger than 82% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Charles E. Mack Elementary ranks #99 of 124 elementary schools in Sacramento, CA.
School address
District: Elk Grove Unified · California
NCES ID 061233001405 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
25.5:1
vs 21.5:1 California avg
+19% vs state
Free-lunch eligible
63.0%
vs 55.5% California avg
+14% vs state
Student-teacher ratio in context
How Charles E. Mack Elementary compares with California and U.S. medians
What stands out at Charles E. Mack Elementary
Charles E. Mack Elementary is a higher-need, mid-sized elementary school in Sacramento, California, enrolling 840 students.
Class loads run somewhat heavier than typical: 25.5:1 puts it in the larger third of California schools by student-teacher ratio.
Its free-meal eligibility rate of 63.0% lands close to the California typical range, neither a high- nor low-need campus by this measure.
Enrollment of 840 puts it in the larger third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 1,361 similarly sized, similarly resourced-need California schools statewide, it ranks #1,010, in the lower tier once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (50%) and Asian (30%) (diversity index 65/100).
Counselor access is stretched at roughly 1680 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 50.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Sacramento's elementary schools, it stands alongside Smythe Academy of Arts and Sciences (1,091 students): Charles E. Mack Elementary is smaller than that campus by headcount and runs heavier classes (25.5:1 vs 23.7:1).
Elk Grove Unified also operates Franklin High (2,650 students) and Pleasant Grove High (2,536 students) alongside Charles E. Mack Elementary.
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 Charles E. Mack Elementary compares
Charles E. Mack Elementary on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 25.5:1 | ▲ 19% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 63.0% | ▲ 14% | 55.5% | 51.7% |
| Enrollment | 840 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
25.5:1
Leaner classes than 4% of US schools, heavier class loads than most.
840
Bigger than 87% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
63.0%
free-lunch eligible
- 14% 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
25.5:1
students per teacher
- 19% above state mean
Top 82% in California - lower ratio than 18% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
50.1%
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
$14,134
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
4
in-school suspensions + 19 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 2.7 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 50.0%
Asian 29.9%
African American 8.3%
Two or More 5.5%
White 4.3%
Native Hawaiian / Pacific Islander 2.0%
Largest group: Hispanic or Latino at 50.0% of enrollment.
Student-body diversity index 64.8/100
Simpson diversity index - at 64.8, Charles E. Mack Elementary is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Elk Grove Unified, which includes Charles E. Mack Elementary.
$14,134
Per student
-14%
vs California
Avg $16,509
-15%
vs U.S.
Avg $16,593
Revenue mix
Local 22.1%
State 65.7%
Federal 12.2%
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 Charles E. Mack Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Franklin High | Larger | Lower economic need | Lower S:T ratio |
| Pleasant Grove High | Larger | Lower economic need | Lower S:T ratio |
| Sheldon High | Larger | Lower economic need | Lower S:T ratio |
| Monterey Trail High | Larger | Lower economic need | Lower S:T ratio |
| Laguna Creek High | Larger | Lower economic need | Lower S:T ratio |
Comparisons are relative to Charles E. Mack Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,650
- Students per teacher
- 23.2:1
- Resource Index
- 43/100
- Enrollment
- 2,536
- Students per teacher
- 22.6:1
- Resource Index
- 40/100
- Enrollment
- 2,368
- Students per teacher
- 21.7:1
- Resource Index
- 39/100
- Enrollment
- 2,263
- Students per teacher
- 21.1:1
- Resource Index
- 39/100
- Enrollment
- 2,142
- Students per teacher
- 21:1
- Resource Index
- 32/100
Similar elementary schools in Sacramento
6 comparable elementary schools (grades K-5) serving the same city.
Smythe Academy of Arts and Sciences
Standard public school
1,091 students 23.7:1 students per teacher
Las Palmas Elementary
Standard public school
1,001 students 25.7:1 students per teacher
Mary Tsukamoto Elementary
Standard public school
989 students 26:1 students per teacher
Heron
Standard public school
977 students 23.3:1 students per teacher
Arnold Adreani Elementary
Standard public school
944 students 27:1 students per teacher
Paso Verde
Standard public school
897 students 23.6:1 students per teacher
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 (~840 students)
Similar student-teacher ratio (~25.5:1)
Next steps
Verify locally before acting on Charles E. Mack Elementary's federal record.
- Compare Charles E. Mack Elementary against another school. Compare schools
- Elk Grove 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 Charles E. Mack Elementary
How many students attend Charles E. Mack Elementary?
Charles E. Mack Elementary has 840 students enrolled. It is an elementary school in Sacramento, CA.
What is the student-teacher ratio at Charles E. Mack Elementary?
The student-teacher ratio at Charles E. Mack Elementary is 25.5:1, which is 19% higher than the California average of 21.5:1 and 62% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Charles E. Mack Elementary?
63.0% of students at Charles E. Mack Elementary are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Charles E. Mack Elementary?
The largest demographic group at Charles E. Mack Elementary is Hispanic or Latino at 50.0% of enrollment, in Sacramento, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.8/100.
What is the Resource Investment Index for Charles E. Mack Elementary?
Charles E. Mack Elementary has a Resource Investment Index of 18/100 (lower 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 Charles E. Mack Elementary rank among elementary schools in Sacramento?
By Resource Investment Index, Charles E. Mack Elementary ranks #99 of 124 elementary schools in Sacramento, 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 Sacramento on the city page.
Is Charles E. Mack Elementary a good school?
Charles E. Mack Elementary earns 18/100 on the Resource Investment Index, with class sizes larger than 82% 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 Elk Grove Unified?
Besides Charles E. Mack Elementary, Elk Grove Unified also operates Franklin High (2,650 students), Pleasant Grove High (2,536 students), and Sheldon High (2,368 students). See the Elk Grove 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.