Enrollment
1,013
Arizona · 2024-25 NCES data
Middle school (grades 6-8) · Flagstaff, AZ
Sinagua Middle School
Federal NCES profile for Sinagua Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 25/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 040286002961
👥 S:T ratio 29
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sinagua Middle School earns 25/100 on the Resource Investment Index, with class sizes near the Arizona median. It is also more racially and ethnically mixed than most Arizona schools.
- #22 of 23
- public schools in Flagstaff · Resource Index
- 25
- Resource Index · Lower
- 17.8:1
- students per teacher
- 32.0%
- free-lunch eligible
Sinagua Middle School has class sizes near the Arizona median. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Sinagua Middle School ranks #22 of 23 public schools in Flagstaff, AZ.
School address
District: Flagstaff Unified District (4192) · Arizona
NCES ID 040286002961 Verify on NCES CCD record →
Teachers (FTE)
57.0
Federal CCD staff survey
Students per teacher
17.8:1
vs 17:1 Arizona avg
+5% vs state
Free-lunch eligible
32.0%
vs 48.3% Arizona avg
-34% vs state
Student-teacher ratio in context
How Sinagua Middle School compares with Arizona and U.S. medians
What stands out at Sinagua Middle School
Sinagua Middle School is a large middle school in Flagstaff, Arizona, enrolling 1,013 students.
Class loads run somewhat heavier than typical: 17.8:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 32.0% of students eligible for free meals.
By headcount it is one of the larger campuses in Arizona, bigger than 91% of state schools at 1,013 students.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Against 161 statewide peers matched on enrollment and economic need, it ranks mid-pack at #100.
Its student body is led by White (39%) and Hispanic or Latino (32%), more mixed than most schools in the state (diversity index 69/100).
Counselor access is stretched at roughly 507 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 51.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 18.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Flagstaff Unified District (4192) also operates Flagstaff High School (1,631 students) and Coconino High School (1,444 students) alongside Sinagua Middle 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 Sinagua Middle School compares
Sinagua Middle 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 | 17.8:1 | ▲ 5% | 17:1 | 15.7:1 |
| Free-lunch eligible | 32.0% | ▼ 34% | 48.3% | 51.7% |
| Enrollment | 1,013 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.8:1
Leaner classes than 26% of US schools, heavier class loads than most.
1,013
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
32.0%
free-lunch eligible
- 34% 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
17.8:1
students per teacher
- 5% above state mean
Top 61% in Arizona - lower ratio than 39% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
51.7%
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
$11,218
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
Counselors2.0 FTE
Per 507 students, the combined health-and-guidance staffing load for this school.
Discipline context
85
in-school suspensions + 53 out-of-school
Suspension rate: 8.4 per 100 students. Combined in-school and out-of-school rate: 13.6 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 38.5%
Hispanic or Latino 32.1%
American Indian / Alaska Native 24.5%
Two or More 4.1%
African American 0.5%
Asian 0.3%
Largest group: White at 38.5% of enrollment.
Student-body diversity index 68.7/100
Simpson diversity index - at 68.7, Sinagua Middle School is more mixed than the Arizona school average of 47.2.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Flagstaff Unified District (4192), which includes Sinagua Middle School.
$11,218
Per student
-15%
vs Arizona
Avg $13,145
-32%
vs U.S.
Avg $16,593
Revenue mix
Local 61.3%
State 20.2%
Federal 18.4%
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 Sinagua Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Flagstaff High School | Larger | Lower economic need | Higher S:T ratio |
| Coconino High School | Larger | Similar economic need | Higher S:T ratio |
| Mount Elden Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Manuel Demiguel Elementary School | Smaller | Lower economic need | Lower S:T ratio |
| Weitzel's Puente De Hozho Bilingual Magnet School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Sinagua Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,631
- Students per teacher
- 20.9:1
- Resource Index
- 30/100
- Enrollment
- 1,444
- Students per teacher
- 19.3:1
- Resource Index
- 30/100
- Enrollment
- 678
- Students per teacher
- 14.7:1
- Resource Index
- 36/100
- Enrollment
- 561
- Students per teacher
- 14.8:1
- Resource Index
- 28/100
- Enrollment
- 426
- Students per teacher
- 16.4:1
- Resource Index
- 30/100
Similar middle 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 (~1,013 students)
Similar student-teacher ratio (~17.8:1)
Next steps
Verify locally before acting on Sinagua Middle School's federal record.
- Compare Sinagua Middle School against another school. Compare schools
- Flagstaff Unified District (4192)'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 Sinagua Middle School
How many students attend Sinagua Middle School?
Sinagua Middle School has 1,013 students enrolled. It is a middle school in Flagstaff, AZ.
What is the student-teacher ratio at Sinagua Middle School?
The student-teacher ratio at Sinagua Middle School is 17.8:1, which is 5% higher than the Arizona average of 17:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Sinagua Middle School?
32.0% of students at Sinagua Middle School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Sinagua Middle School?
The largest demographic group at Sinagua Middle School is White at 38.5% of enrollment, in Flagstaff, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 68.7/100.
What is the Resource Investment Index for Sinagua Middle School?
Sinagua Middle School has a Resource Investment Index of 25/100 (lower 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 Sinagua Middle School rank among public schools in Flagstaff?
By Resource Investment Index, Sinagua Middle School ranks #22 of 23 public schools in Flagstaff, 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 Flagstaff on the city page.
Is Sinagua Middle School a good school?
Sinagua Middle School earns 25/100 on the Resource Investment Index, with class sizes near the Arizona median. 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 Flagstaff Unified District (4192)?
Besides Sinagua Middle School, Flagstaff Unified District (4192) also operates Flagstaff High School (1,631 students), Coconino High School (1,444 students), and Mount Elden Middle School (678 students). See the Flagstaff Unified District (4192) 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.