Enrollment
345
Arizona · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 040428001129
Nautilus Elementary School — Lake Havasu City, AZ
Federal NCES profile for Nautilus Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 19/100.
👥 Class size 15
🌟 Gifted program 30
🎓 Counselors 31
📋 Attendance 0
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Lake Havasu Unified District (4368) · Arizona
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
21.2:1
vs 17.7:1 Arizona avg
+20% vs state
Free-lunch eligible
40.0%
vs 48.3% Arizona avg
-17% vs state
Student-teacher ratio in context
How Nautilus Elementary School compares with Arizona and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Nautilus Elementary School reports 345 enrolled students to the National Center for Education Statistics (NCES) alongside 17.0 full-time-equivalent teachers, producing a 21.2:1 student-teacher ratio. That figure sits 20% above the Arizona state mean of 17.7:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 33% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 40.0% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 17% below the Arizona average and 23% below the national baseline. Counselor coverage works out to roughly 345 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 54.5% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Lake Havasu Unified District (4368) spends $9,124 per pupil district-wide, below the Arizona average of $15,070 and below the national average of $19,490. Revenue comes 58.0% from local sources (property taxes), 29.1% from the state, and 12.9% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 19/100 (F), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Nautilus Elementary School compares
Cross-validating school-level NCES values against Arizona state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.2:1 | ▲ 20% | 17.7:1 | 15.9:1 |
| Free-lunch eligible | 40.0% | ▼ 17% | 48.3% | 51.8% |
| Enrollment | 345 | top 42% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
40.0%
free-lunch eligible
— 17% below the Arizona average of 48.3%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Staffing depth
21.2:1
students per teacher
— 20% above state mean
Top 81% in Arizona — lower ratio than 19% of state schools
Above 20:1 — larger class loads than the typical U.S. public school; staffing is stretched relative to enrollment.
Engagement
54.5%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$9,124
per pupil, district-wide
— below Arizona avg of $15,070
Below the U.S. average per-pupil spend — funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 345 students — the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 6 out-of-school
Suspension rate: 0.9 per 100 students. Combined in-school and out-of-school rate: 2.6 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 345 Top 42% in Arizona — larger than 58% of 2,186 state schools
Teachers (FTE) 17.0
Students per teacher 21.2:1 +20% vs state
Free-lunch eligible 40.0% -17% vs state
NCES ID 040428001129
Student demographics
White 67.0%
Hispanic or Latino 29.6%
Two or More 2.6%
Asian 0.9%
Largest group: White at 67.0% of enrollment.
Programs & staff
Counselors (FTE) 1.0
Students per counselor 345:1
Discipline & special education
Chronically absent 54.5%
In-school suspensions 3
Out-of-school suspensions 6
Funding & spending
District-wide per-pupil expenditure for Lake Havasu Unified District (4368), which includes Nautilus Elementary School.
$9,124
Per student
-39%
vs Arizona
Avg $15,070
-53%
vs U.S.
Avg $19,490
Revenue mix
Local 58.0%
State 29.1%
Federal 12.9%
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.
Other Schools in This District
- Enrollment
- 1,523
- Students per teacher
- 25.9:1
- Enrollment
- 734
- Students per teacher
- 27.5:1
- Enrollment
- 629
- Students per teacher
- 21.2:1
- Enrollment
- 543
- Students per teacher
- 20:1
- Enrollment
- 424
- Students per teacher
- 20.1:1
Similar elementary schools in Lake Havasu City
6 comparable elementary schools (grades K-5) serving the same city.
Starline Elementary School
Standard public school
629 students 21.2:1 students per teacher
Jamaica Elementary School
Standard public school
424 students 20.1:1 students per teacher
Oro Grande Classical Academy
Standard public school
367 students 20.8:1 students per teacher
Havasupai Elementary School
Standard public school
324 students 19.9:1 students per teacher
Telesis Preparatory
Standard public school
258 students
Havasu Preparatory Academy
Standard public school
145 students
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Nautilus Elementary School
How many students attend Nautilus Elementary School?
Nautilus Elementary School has 345 students enrolled. It is a elementary school in Lake Havasu City, AZ.
What is the student-teacher ratio at Nautilus Elementary School?
The student-teacher ratio at Nautilus Elementary School is 21.2:1, which is 20% higher than the Arizona average of 17.7:1 and 33% higher than the national average of 15.9:1.
What percentage of students receive free lunch at Nautilus Elementary School?
40.0% of students at Nautilus Elementary School are eligible for free lunch, compared to the Arizona average of 48.3%.
What is the racial and ethnic makeup of Nautilus Elementary School?
The largest demographic group at Nautilus Elementary School is White at 67.0%. The school serves a diverse student body in Lake Havasu City, AZ.
What is the Resource Investment Index for Nautilus Elementary School?
Nautilus Elementary School has a Resource Investment Index of 19/100 (F) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.