- Enrollment
- 1,631
- Students per teacher
- 20.9:1
- Resource Index
- 30/100
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 →
CCD year-over-year · 2022-23 → 2023-24
+19 students YoY
Sinagua Middle School held near 1,035 students from 2022-23 to 2023-24 (+19 headcount).
Teacher FTE added 57.0 → 58.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+19 students YoY 040286002961 · Flagstaff, AZ Middle · MID · TRAD
1,013 enr · 17.8:1 · 32.0% lunch · RII 25
Nearest enrollment peer: Flagstaff High School (1,631 students)
Sinagua Middle School held near 1,035 students from 2022-23 to 2023-24 (+19 headcount). Teacher FTE added 57.0 → 58.9 across the same CCD years. Read with this school → · District book → · Arizona schools → · Find another →
Sinagua Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Flagstaff High
Flagstaff High School
1,631 students
- Coconino High
Coconino High School
1,444 students
- This school
Sinagua Middle School
1,013 students
- Mount Elden Mi
Mount Elden Middle School
678 students
- Manuel Demigue 561
Manuel Demiguel Elementary School
561 students
- Weitzel's Puen 426
Weitzel's Puente De Hozho Bilingual Magnet School
426 students
What this shows Sinagua Middle School reports 1,013 students on the CCD universe file.
How Sinagua Middle School compares
Sinagua Middle School held steady on CCD headcount: ratios and free-lunch share vs 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 methodology
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
$11,945
per pupil, district-wide
- below Arizona avg of $13,502
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.
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
District finance for Flagstaff Unified District (4192) reports $11,945 per pupil (NCES F-33) - open the district page for the full revenue mix.
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
- 1,444
- 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
Nationwide middle 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 (~1,013 students)
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. CCD year-over-year: 1,016 (2022-23) → 1,035 (2023-24), nearly flat (+19).
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, gifted-program reporting, counselor availability, chronic absenteeism. 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.
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.