Enrollment
253
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Winslow, AZ
Bonnie Brennan School
Federal NCES profile for Bonnie Brennan School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040946000971
👥 S:T ratio 47
🌟 Gifted program 70
🎓 Counselors 49
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Bonnie Brennan School earns 42/100 on the Resource Investment Index, with class sizes smaller than 77% of Arizona schools. It is also more racially and ethnically mixed than most Arizona schools.
- #1 of 4
- public schools in Winslow · Resource Index
- 42
- Resource Index · Typical
- 13.3:1
- small classes for Arizona
- 37.1%
- free-lunch eligible
Bonnie Brennan School has class sizes smaller than 77% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Bonnie Brennan School ranks #1 of 4 public schools in Winslow, AZ.
School address
District: Winslow Unified District (4387) · Arizona
NCES ID 040946000971 Verify on NCES CCD record →
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
13.3:1
vs 17:1 Arizona avg
-22% vs state
Free-lunch eligible
37.1%
vs 48.3% Arizona avg
-23% vs state
Student-teacher ratio in context
How Bonnie Brennan School compares with Arizona and U.S. medians
What stands out at Bonnie Brennan School
Bonnie Brennan School is a mid-sized combined-grade school in Winslow, Arizona, enrolling 253 students.
Class sizes run a bit leaner than typical: 13.3:1 puts it in the smaller third of Arizona schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 37.1% of students eligible for free meals.
Enrollment of 253 puts it in the smaller third of Arizona schools by headcount.
Its Resource Investment Index lands in the upper third of 2,064 scored Arizona schools.
Against 105 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #18.
Its student body is led by Hispanic or Latino (44%) and American Indian / Alaska Native (30%), more mixed than most schools in the state (diversity index 68/100).
Counselor coverage runs a bit thin, about 253 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 56.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 34.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Winslow's public schools, it stands alongside Washington School (254 students): Bonnie Brennan School is smaller than that campus by headcount and runs leaner classes (13.3:1 vs 16.9:1).
Winslow Unified District (4387) also operates Winslow High School (647 students) and Jefferson Elementary School (378 students) alongside Bonnie Brennan 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 Bonnie Brennan School compares
Bonnie Brennan School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.3:1 | ▼ 22% | 17:1 | 15.7:1 |
| Free-lunch eligible | 37.1% | ▼ 23% | 48.3% | 51.7% |
| Enrollment | 253 | top 67% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
253
Bigger than 26% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
37.1%
free-lunch eligible
- 23% below the Arizona average of 48.3%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
13.3:1
students per teacher
- 22% below state mean
Top 23% in Arizona - lower ratio than 77% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
56.1%
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
$10,962
per pupil, district-wide
- below Arizona avg of $13,145
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 253 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 5 out-of-school
Suspension rate: 5.5 per 100 students. Combined in-school and out-of-school rate: 7.5 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 43.5%
American Indian / Alaska Native 30.4%
Two or More 15.0%
White 11.1%
Largest group: Hispanic or Latino at 43.5% of enrollment.
Student-body diversity index 68.4/100
Simpson diversity index - at 68.4, Bonnie Brennan School is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Winslow Unified District (4387), which includes Bonnie Brennan School.
$10,962
Per student
-17%
vs Arizona
Avg $13,145
-34%
vs U.S.
Avg $16,593
Revenue mix
Local 19.7%
State 46.2%
Federal 34.1%
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 Bonnie Brennan School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Winslow High School | Larger | Similar economic need | Higher S:T ratio |
| Jefferson Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Winslow Junior High School | Similar size | Similar economic need | Higher S:T ratio |
| Washington School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Bonnie Brennan School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 647
- Students per teacher
- 19.6:1
- Resource Index
- 37/100
- Enrollment
- 378
- Students per teacher
- 22.2:1
- Resource Index
- 26/100
- Enrollment
- 293
- Students per teacher
- 17.2:1
- Resource Index
- 34/100
- Enrollment
- 254
- Students per teacher
- 16.9:1
- Resource Index
- 38/100
Similar other schools in Winslow
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~253 students)
Similar student-teacher ratio (~13.3:1)
Next steps
Verify locally before acting on Bonnie Brennan School's federal record.
- Compare Bonnie Brennan School against another school. Compare schools
- Winslow Unified District (4387)'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 Bonnie Brennan School
How many students attend Bonnie Brennan School?
Bonnie Brennan School has 253 students enrolled. It is a public school in Winslow, AZ.
What is the student-teacher ratio at Bonnie Brennan School?
The student-teacher ratio at Bonnie Brennan School is 13.3:1, which is 22% lower than the Arizona average of 17:1 and 15% lower 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 Bonnie Brennan School?
37.1% of students at Bonnie Brennan School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Bonnie Brennan School?
The largest demographic group at Bonnie Brennan School is Hispanic or Latino at 43.5% of enrollment, in Winslow, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.4/100.
What is the Resource Investment Index for Bonnie Brennan School?
Bonnie Brennan School has a Resource Investment Index of 42/100 (typical 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 Bonnie Brennan School rank among public schools in Winslow?
By Resource Investment Index, Bonnie Brennan School ranks #1 of 4 public schools in Winslow, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Winslow on the city page.
Is Bonnie Brennan School a good school?
Bonnie Brennan School earns 42/100 on the Resource Investment Index, with class sizes smaller than 77% of Arizona schools. It is also more racially and ethnically mixed than most Arizona 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 Winslow Unified District (4387)?
Besides Bonnie Brennan School, Winslow Unified District (4387) also operates Winslow High School (647 students), Jefferson Elementary School (378 students), and Winslow Junior High School (293 students). See the Winslow Unified District (4387) 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.