- Enrollment
- 2,040
- Students per teacher
- 23.7:1
- Resource Index
- 25/100
Other / mixed grade configuration · Rigby, ID
South Fork Elementary School
Federal NCES profile for South Fork Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 29/100.
2024-25 NCES dataOther / mixed grade configurationNCES 160157001001
👥 S:T ratio 16
🌟 Gifted program 70
🎓 Counselors 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
South Fork Elementary School earns 29/100 on the Resource Investment Index, with class sizes larger than 84% of Idaho schools.
- #2 of 3
- schools in Rigby · Resource Index
- 29
- Resource Index · Lower
- 21.1:1
- large classes for Idaho
- 18.5%
- free-lunch eligible
South Fork Elementary School has class sizes larger than 84% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, South Fork Elementary School ranks #2 of 3 schools in Rigby, ID.
School address
District: Jefferson County Joint District · Idaho
NCES ID 160157001001 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-42 students YoY
South Fork Elementary School shrank from 737 students in 2022-23 to 695 in 2023-24 (-5.7%).
Teacher FTE added 31.6 → 32.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-42 students YoY 160157001001 · Rigby, ID Other · MID · TRAD
654 enr · 21.1:1 · 18.5% lunch · RII 29
Nearest enrollment peer: Rigby High School (2,040 students)
South Fork Elementary School shrank from 737 students in 2022-23 to 695 in 2023-24 (-5.7%). Teacher FTE added 31.6 → 32.6 across the same CCD years. Read with this school → · District book → · Idaho schools → · Find another →
South Fork Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Rigby High Sch
Rigby High School
2,040 students
- Rigby Middle S
Rigby Middle School
938 students
- Cottonwood Ele 682
Cottonwood Elementary
682 students
- This school 654
South Fork Elementary School
654 students
- Farnsworth Mid 611
Farnsworth Middle School
611 students
- Jefferson Elem 490
Jefferson Elementary School
490 students
What this shows South Fork Elementary School reports 654 students on the CCD universe file.
How South Fork Elementary School compares
South Fork Elementary School is a shrinking campus on CCD: ratios and free-lunch share vs Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.1:1 | ▲ 23% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 18.5% | ▼ 37% | 29.3% | 51.7% |
| Enrollment | 654 | top 14% | - | - |
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.
654
Bigger than 77% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
18.5%
free-lunch eligible
- 37% below the Idaho average of 29.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
21.1:1
students per teacher
- 23% above state mean
Top 84% in Idaho - lower ratio than 16% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Funding equity
$8,045
per pupil, district-wide
- below Idaho avg of $12,445
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 654 students, the combined health-and-guidance staffing load for this school.
Discipline context
2
in-school suspensions + 5 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 1.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 86.7%
Hispanic or Latino 7.3%
Two or More 5.0%
Asian 0.8%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 86.7% of enrollment.
Student-body diversity index 24.0/100
Simpson diversity index - at 24.0, South Fork Elementary School is less mixed than the Idaho school average of 36.3.
Programs
Gifted & talented Yes
District finance for Jefferson County Joint District reports $8,045 per pupil (NCES F-33) - open the district page for the full revenue mix.
How South Fork Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Rigby High School | Larger | Similar economic need | Higher S:T ratio |
| Rigby Middle School | Larger | Similar economic need | Lower S:T ratio |
| Cottonwood Elementary | Similar size | Similar economic need | Higher S:T ratio |
| Farnsworth Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Jefferson Elementary School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to South Fork Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 938
- Students per teacher
- 17.1:1
- Resource Index
- 36/100
- Enrollment
- 682
- Students per teacher
- 23.5:1
- Resource Index
- 25/100
- Enrollment
- 611
- Students per teacher
- 17.5:1
- Resource Index
- 46/100
- Enrollment
- 490
- Students per teacher
- 16.3:1
- Resource Index
- 36/100
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~654 students)
Frequently asked questions about South Fork Elementary School
How many students attend South Fork Elementary School?
South Fork Elementary School has 654 students enrolled. It is a public school in Rigby, ID. CCD year-over-year: 737 (2022-23) → 695 (2023-24), down 42.
What is the student-teacher ratio at South Fork Elementary School?
The student-teacher ratio at South Fork Elementary School is 21.1:1, which is 23% higher than the Idaho average of 17.1:1 and 34% higher than the national average of 15.7:1.
What percentage of students receive free lunch at South Fork Elementary School?
18.5% of students at South Fork Elementary School are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the racial and ethnic makeup of South Fork Elementary School?
The largest demographic group at South Fork Elementary School is White at 86.7% of enrollment, in Rigby, ID.
What is the Resource Investment Index for South Fork Elementary School?
South Fork Elementary School has a Resource Investment Index of 29/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does South Fork Elementary School rank among schools in Rigby?
By Resource Investment Index, South Fork Elementary School ranks #2 of 3 schools in Rigby, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Rigby on the city page.
What other schools are in Jefferson County Joint District?
Besides South Fork Elementary School, Jefferson County Joint District also operates Rigby High School (2,040 students), Rigby Middle School (938 students), and Cottonwood Elementary (682 students). See the Jefferson County Joint District district page for the complete list.