Enrollment
274
California · 2024-25 NCES data
Elementary school (grades K-5) · Mount Shasta, CA
Sisson
Federal NCES profile for Sisson, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 17/100.
2024-25 NCES dataElementary school (grades K-5)NCES 062604003899
👥 S:T ratio 16
🌟 Gifted program 30
📋 Attendance 4
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sisson earns 17/100 on the Resource Investment Index, with class sizes near the California median.
- #4 of 4
- public schools in Mount Shasta · Resource Index
- 17
- Resource Index · Lower
- 21.1:1
- students per teacher
- 42.2%
- free-lunch eligible
Sisson has class sizes near the California median. Computed live against every California school reporting to NCES.
By Resource Investment Index, Sisson ranks #4 of 4 public schools in Mount Shasta, CA.
School address
District: Mt. Shasta Union Elementary · California
NCES ID 062604003899 Verify on NCES CCD record →
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
21.1:1
vs 21.5:1 California avg
-2% vs state
Free-lunch eligible
42.2%
vs 55.5% California avg
-24% vs state
Student-teacher ratio in context
How Sisson compares with California and U.S. medians
What stands out at Sisson
Sisson is a mid-sized elementary school in Mount Shasta, California, enrolling 274 students.
At 21.1:1, 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 runs somewhat below the state's typical profile, with 42.2% of students eligible for free meals.
Enrollment of 274 puts it in the smaller third of California schools by headcount.
Its Resource Investment Index lands in the lower third of 9,998 scored California schools.
Among 667 similarly sized, similarly resourced-need California schools statewide, it ranks #591, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (81% of enrollment) (diversity index 33/100).
Chronic absenteeism is elevated: 38.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Discipline events run high: 62 in- and out-of-school suspensions were reported for 274 students in the 2021-22 Civil Rights Data Collection.
Among Mount Shasta's elementary schools, it stands alongside Mt. Shasta Elementary (195 students): Sisson is larger than that campus by headcount and runs heavier classes (21.1:1 vs 19.5:1).
Its district, Mt. Shasta Union Elementary, also runs Mt. Shasta Elementary (195 students).
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 Sisson compares
Sisson on the metrics families compare, against California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.1:1 | ▼ 2% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 42.2% | ▼ 24% | 55.5% | 51.7% |
| Enrollment | 274 | top 77% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.1:1
Leaner classes than 13% of US schools, heavier class loads than most.
274
Bigger than 29% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
42.2%
free-lunch eligible
- 24% below the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21.1:1
students per teacher
- 2% below state mean
Top 44% in California - lower ratio than 56% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
38.3%
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
$14,371
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
31
in-school suspensions + 31 out-of-school
Suspension rate: 11.3 per 100 students. Combined in-school and out-of-school rate: 22.6 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
White 81.0%
Hispanic or Latino 12.4%
Two or More 4.0%
Asian 1.1%
African American 0.7%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.4%
Largest group: White at 81.0% of enrollment.
Student-body diversity index 32.7/100
Simpson diversity index - at 32.7, Sisson is less mixed than the California school average of 46.0.
Programs
Funding & spending
District-wide per-pupil expenditure for Mt. Shasta Union Elementary, which includes Sisson.
$14,371
Per student
-13%
vs California
Avg $16,509
-13%
vs U.S.
Avg $16,593
Revenue mix
Local 40.9%
State 47.9%
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 Sisson Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mt. Shasta Elementary | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Sisson's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 195
- Students per teacher
- 19.5:1
- Resource Index
- 18/100
Similar elementary schools in Mount Shasta
1 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 (~274 students)
Similar student-teacher ratio (~21.1:1)
Next steps
Verify locally before acting on Sisson's federal record.
- Compare Sisson against another school. Compare schools
- Mt. Shasta 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 Sisson
How many students attend Sisson?
Sisson has 274 students enrolled. It is an elementary school in Mount Shasta, CA.
What is the student-teacher ratio at Sisson?
The student-teacher ratio at Sisson is 21.1:1, which is 2% lower than the California average of 21.5:1 and 34% 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 Sisson?
42.2% of students at Sisson are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Sisson?
The largest demographic group at Sisson is White at 81.0% of enrollment, in Mount Shasta, CA.
What is the Resource Investment Index for Sisson?
Sisson has a Resource Investment Index of 17/100 (lower 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 Sisson rank among public schools in Mount Shasta?
By Resource Investment Index, Sisson ranks #4 of 4 public schools in Mount Shasta, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mount Shasta on the city page.
Is Sisson a good school?
Sisson earns 17/100 on the Resource Investment Index, with class sizes near the California median. 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 Mt. Shasta Union Elementary?
Besides Sisson, Mt. Shasta Union Elementary also operates Mt. Shasta Elementary (195 students). See the Mt. Shasta 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.