Enrollment
490
Idaho · 2024-25 NCES data
Elementary school (grades K-5) · Rigby, ID
Jefferson Elementary School
Federal NCES profile for Jefferson Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 160157000276
👥 S:T ratio 35
🌟 Gifted program 70
🎓 Counselors 2
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Jefferson Elementary School earns 36/100 on the Resource Investment Index, with class sizes near the Idaho median.
- #2 of 8
- public schools in Rigby · Resource Index
- 36
- Resource Index · Typical
- 16.3:1
- students per teacher
- 20.8%
- free-lunch eligible
Jefferson Elementary School has class sizes near the Idaho median. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Jefferson Elementary School ranks #2 of 8 public schools in Rigby, ID.
School address
District: Jefferson County Joint District · Idaho
NCES ID 160157000276 Verify on NCES CCD record →
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
16.3:1
vs 17.1:1 Idaho avg
-5% vs state
Free-lunch eligible
20.8%
vs 29.3% Idaho avg
-29% vs state
Student-teacher ratio in context
How Jefferson Elementary School compares with Idaho and U.S. medians
What stands out at Jefferson Elementary School
Jefferson Elementary School is a mid-sized elementary school in Rigby, Idaho, enrolling 490 students.
At 16.3:1, its student-teacher ratio sits close to the Idaho median, within a few percentage points of the 17.1:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 20.8% of students eligible for free meals.
Enrollment of 490 puts it in the larger third of Idaho schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 775 scored Idaho schools.
Against 222 statewide peers matched on enrollment and economic need, it ranks mid-pack at #106.
Its student body is predominantly White (90% of enrollment) (diversity index 19/100).
Counselor access is stretched at roughly 490 students per counselor, well above the ASCA-recommended 250:1 ceiling.
The surrounding Jefferson County Joint District spends $7,665 per pupil, 36% below the Idaho average, a leaner-resourced district than most.
Its district draws 15.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Jefferson County Joint District also operates Rigby High School (2,040 students) and Rigby Middle School (938 students) alongside Jefferson Elementary School.
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 Jefferson Elementary School compares
Jefferson Elementary School on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.3:1 | ▼ 5% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 20.8% | ▼ 29% | 29.3% | 51.7% |
| Enrollment | 490 | top 27% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.3:1
Leaner classes than 36% of US schools, a middle-of-the-pack class size.
490
Bigger than 60% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
20.8%
free-lunch eligible
- 29% 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
16.3:1
students per teacher
- 5% below state mean
Top 45% in Idaho - lower ratio than 55% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Funding equity
$7,665
per pupil, district-wide
- below Idaho avg of $11,939
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 490 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.6 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 89.8%
Hispanic or Latino 8.0%
Two or More 2.0%
Asian 0.2%
Largest group: White at 89.8% of enrollment.
Student-body diversity index 18.7/100
Simpson diversity index - at 18.7, Jefferson Elementary School is less mixed than the Idaho school average of 36.3.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Jefferson County Joint District, which includes Jefferson Elementary School.
$7,665
Per student
-36%
vs Idaho
Avg $11,939
-54%
vs U.S.
Avg $16,593
Revenue mix
Local 18.1%
State 66.5%
Federal 15.4%
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 Jefferson 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 | Similar S:T ratio |
| Cottonwood Elementary | Larger | Similar economic need | Higher S:T ratio |
| South Fork Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Farnsworth Middle School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Jefferson Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,040
- Students per teacher
- 23.7:1
- Resource Index
- 25/100
- 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
- 654
- Students per teacher
- 21.1:1
- Resource Index
- 29/100
- Enrollment
- 611
- Students per teacher
- 17.5:1
- Resource Index
- 46/100
Similar elementary schools statewide
Matched by enrollment size and by staffing ratio across all of Idaho, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~490 students)
Next steps
Verify locally before acting on Jefferson Elementary School's federal record.
- Compare Jefferson Elementary School against another school. Compare schools
- Jefferson County Joint District'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 Jefferson Elementary School
How many students attend Jefferson Elementary School?
Jefferson Elementary School has 490 students enrolled. It is an elementary school in Rigby, ID.
What is the student-teacher ratio at Jefferson Elementary School?
The student-teacher ratio at Jefferson Elementary School is 16.3:1, which is 5% lower than the Idaho average of 17.1:1 and 4% 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 Jefferson Elementary School?
20.8% of students at Jefferson Elementary School are eligible for free lunch, compared to the Idaho average of 29.3%.
What is the racial and ethnic makeup of Jefferson Elementary School?
The largest demographic group at Jefferson Elementary School is White at 89.8% of enrollment, in Rigby, ID.
What is the Resource Investment Index for Jefferson Elementary School?
Jefferson Elementary School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Jefferson Elementary School rank among public schools in Rigby?
By Resource Investment Index, Jefferson Elementary School ranks #2 of 8 public 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 public schools in Rigby on the city page.
Is Jefferson Elementary School a good school?
Jefferson Elementary School earns 36/100 on the Resource Investment Index, with class sizes near the Idaho 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 Jefferson County Joint District?
Besides Jefferson 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.
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.