- Enrollment
- 709
- Students per teacher
- 18.7:1
- Resource Index
- 31/100
Elementary school (grades K-5) · Ontario, OR
May Roberts Elementary School
Federal NCES profile for May Roberts Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataElementary school (grades K-5)NCES 410927000743
👥 S:T ratio 52
🌟 Gifted program 70
🎓 Counselors 40
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
May Roberts Elementary School earns 46/100 on the Resource Investment Index, with class sizes smaller than 90% of Oregon schools.
- #1 of 6
- elementary schools in Ontario · Resource Index
- 46
- Resource Index · Typical
- 12.1:1
- small classes for Oregon
- 302
- students enrolled
May Roberts Elementary School has class sizes smaller than 90% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, May Roberts Elementary School ranks #1 of 6 elementary schools in Ontario, OR.
School address
CCD year-over-year · 2022-23 → 2023-24
-7 students YoY
May Roberts Elementary School held near 348 students from 2022-23 to 2023-24 (-7 headcount).
Teacher FTE lost 25.0 → 24.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-7 students YoY 410927000743 · Ontario, OR Elementary · SMALL · TRAD
302 enr · 12.1:1 · RII 46
Nearest enrollment peer: Ontario High School (709 students)
May Roberts Elementary School held near 348 students from 2022-23 to 2023-24 (-7 headcount). Teacher FTE lost 25.0 → 24.0 across the same CCD years. Read with this school → · District book → · Oregon schools → · Find another →
May Roberts Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Ontario High S
Ontario High School
709 students
- Ontario Middle
Ontario Middle School
471 students
- Alameda Elemen
Alameda Elementary School
355 students
- Aiken Elementa
Aiken Elementary School
333 students
- This school
May Roberts Elementary School
302 students
- Cairo Elementa 109
Cairo Elementary School
109 students
What this shows May Roberts Elementary School reports 302 students on the CCD universe file.
How May Roberts Elementary School compares
May Roberts Elementary School held steady on CCD headcount: ratios and free-lunch share vs Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.1:1 | ▼ 31% | 17.6:1 | 15.7:1 |
| Enrollment | 302 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.1:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
302
Bigger than 33% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
12.1:1
students per teacher
- 31% below state mean
Top 10% in Oregon - lower ratio than 90% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
30.8%
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
$16,821
per pupil, district-wide
- below Oregon avg of $21,075
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors1.0 FTE
Per 302 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 0 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 0.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 63.9%
White 33.4%
Two or More 2.6%
Largest group: Hispanic or Latino at 63.9% of enrollment.
Student-body diversity index 47.9/100
Simpson diversity index - at 47.9, May Roberts Elementary School is about as mixed as the Oregon school average of 47.1.
Programs
Gifted & talented Yes
District finance for Ontario Sd 8c reports $16,821 per pupil (NCES F-33) - open the district page for the full revenue mix.
How May Roberts Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ontario High School | Larger | No free-lunch data | Higher S:T ratio |
| Ontario Middle School | Larger | No free-lunch data | Higher S:T ratio |
| Alameda Elementary School | Similar size | No free-lunch data | Higher S:T ratio |
| Aiken Elementary School | Similar size | No free-lunch data | Higher S:T ratio |
| Cairo Elementary School | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to May Roberts Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 471
- Students per teacher
- 22.4:1
- Resource Index
- 38/100
- Enrollment
- 355
- Students per teacher
- 17.8:1
- Resource Index
- 41/100
- Enrollment
- 333
- Students per teacher
- 23.8:1
- Resource Index
- 39/100
- Enrollment
- 109
- Students per teacher
- 13.6:1
- Resource Index
- 33/100
Similar elementary schools in Ontario
5 comparable elementary schools (grades K-5) serving the same city.
Alameda Elementary School
Standard public school
355 students 17.8:1 students per teacher
Aiken Elementary School
Standard public school
333 students 23.8:1 students per teacher
Annex Charter School
Standard public school
131 students 14.6:1 students per teacher
Cairo Elementary School
Standard public school
109 students 13.6:1 students per teacher
Pioneer Elementary School
Standard public school
90 students 15:1 students per teacher
Nationwide elementary 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 (~302 students)
Frequently asked questions about May Roberts Elementary School
How many students attend May Roberts Elementary School?
May Roberts Elementary School has 302 students enrolled. It is an elementary school in Ontario, OR. CCD year-over-year: 355 (2022-23) → 348 (2023-24), nearly flat (-7).
What is the student-teacher ratio at May Roberts Elementary School?
The student-teacher ratio at May Roberts Elementary School is 12.1:1, which is 31% lower than the Oregon average of 17.6:1 and 23% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of May Roberts Elementary School?
The largest demographic group at May Roberts Elementary School is Hispanic or Latino at 63.9% of enrollment, in Ontario, OR.
What is the Resource Investment Index for May Roberts Elementary School?
May Roberts Elementary School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does May Roberts Elementary School rank among elementary schools in Ontario?
By Resource Investment Index, May Roberts Elementary School ranks #1 of 6 elementary schools in Ontario, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Ontario on the city page.
What other schools are in Ontario Sd 8c?
Besides May Roberts Elementary School, Ontario Sd 8c also operates Ontario High School (709 students), Ontario Middle School (471 students), and Alameda Elementary School (355 students). See the Ontario Sd 8c district page for the complete list.