Enrollment
345
Arizona · 2024-25 NCES data
Elementary school (grades K-5) · Lake Havasu City, AZ
Nautilus Elementary School
Federal NCES profile for Nautilus Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 20/100.
2024-25 NCES dataElementary school (grades K-5)NCES 040428001129
👥 S:T ratio 19
🌟 Gifted program 30
🎓 Counselors 31
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Nautilus Elementary School earns 20/100 on the Resource Investment Index, with class sizes larger than 77% of Arizona schools.
- #5 of 7
- elementary schools in Lake Havasu City · Resource Index
- 20
- Resource Index · Lower
- 20.3:1
- large classes for Arizona
- 40.0%
- free-lunch eligible
Nautilus Elementary School has class sizes larger than 77% of Arizona schools. Computed live against every Arizona school reporting to NCES.
By Resource Investment Index, Nautilus Elementary School ranks #5 of 7 elementary schools in Lake Havasu City, AZ.
School address
District: Lake Havasu Unified District (4368) · Arizona
NCES ID 040428001129 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
20.3:1
vs 17:1 Arizona avg
+19% 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
What stands out at Nautilus Elementary School
Nautilus Elementary School is a mid-sized elementary school in Lake Havasu City, Arizona, enrolling 345 students.
Class loads run somewhat heavier than typical: 20.3:1 puts it in the larger third of Arizona schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 40.0% of students eligible for free meals.
With 345 students, its enrollment sits close to the Arizona median campus size.
Its Resource Investment Index lands in the lower third of 2,064 scored Arizona schools.
Among 226 similarly sized, similarly resourced-need Arizona schools statewide, it ranks #188, in the lower tier once campus size and economic need are matched.
Its student body is led by White (67%) and Hispanic or Latino (30%) (diversity index 46/100).
Counselor availability sits well past the ASCA benchmark, roughly 345 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 54.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Lake Havasu Unified District (4368) spends $8,219 per pupil, 37% below the Arizona average, a leaner-resourced district than most.
Among Lake Havasu City's elementary schools, it stands alongside Starline Elementary School (629 students): Nautilus Elementary School is smaller than that campus by headcount and runs leaner classes (20.3:1 vs 21:1).
Lake Havasu Unified District (4368) also operates Lake Havasu High School (1,523 students) and Thunderbolt Middle School (734 students) alongside Nautilus Elementary 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 Nautilus Elementary School compares
Nautilus Elementary 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 | 20.3:1 | ▲ 19% | 17:1 | 15.7:1 |
| Free-lunch eligible | 40.0% | ▼ 17% | 48.3% | 51.7% |
| Enrollment | 345 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.3:1
Leaner classes than 15% of US schools, heavier class loads than most.
345
Bigger than 39% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
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
20.3:1
students per teacher
- 19% above state mean
Top 77% in Arizona - lower ratio than 23% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
54.5%
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
$8,219
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 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
- 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 67.0%
Hispanic or Latino 29.6%
Two or More 2.6%
Asian 0.9%
Largest group: White at 67.0% of enrollment.
Student-body diversity index 46.3/100
Simpson diversity index - at 46.3, Nautilus Elementary School is about as mixed as the Arizona school average of 47.2.
Programs
Funding & spending
District-wide per-pupil expenditure for Lake Havasu Unified District (4368), which includes Nautilus Elementary School.
$8,219
Per student
-37%
vs Arizona
Avg $13,145
-50%
vs U.S.
Avg $16,593
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.
How Nautilus Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lake Havasu High School | Larger | Lower economic need | Higher S:T ratio |
| Thunderbolt Middle School | Larger | Similar economic need | Higher S:T ratio |
| Starline Elementary School | Larger | Lower economic need | Similar S:T ratio |
| Smoketree Elementary School | Larger | Similar economic need | Lower S:T ratio |
| Jamaica Elementary School | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Nautilus Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,523
- Students per teacher
- 21.8:1
- Resource Index
- 20/100
- Enrollment
- 734
- Students per teacher
- 23.7:1
- Resource Index
- 15/100
- Enrollment
- 629
- Students per teacher
- 21:1
- Resource Index
- 16/100
- Enrollment
- 543
- Students per teacher
- 17.5:1
- Resource Index
- 15/100
- Enrollment
- 424
- Students per teacher
- 21.2:1
- Resource Index
- 18/100
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 21:1 students per teacher
Jamaica Elementary School
Standard public school
424 students 21.2:1 students per teacher
Oro Grande Classical Academy
Standard public school
367 students 22.9:1 students per teacher
Havasupai Elementary School
Standard public school
324 students 19.1:1 students per teacher
Telesis Preparatory
Standard public school
258 students
Havasu Preparatory Academy
Standard public school
145 students
Similar elementary 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 (~345 students)
Next steps
Verify locally before acting on Nautilus Elementary School's federal record.
- Compare Nautilus Elementary School against another school. Compare schools
- Lake Havasu Unified District (4368)'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 Nautilus Elementary School
How many students attend Nautilus Elementary School?
Nautilus Elementary School has 345 students enrolled. It is an 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 20.3:1, which is 19% higher than the Arizona average of 17:1 and 29% higher than the national average of 15.7:1.
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% of enrollment, in Lake Havasu City, AZ.
What is the Resource Investment Index for Nautilus Elementary School?
Nautilus Elementary School has a Resource Investment Index of 20/100 (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 Nautilus Elementary School rank among elementary schools in Lake Havasu City?
By Resource Investment Index, Nautilus Elementary School ranks #5 of 7 elementary schools in Lake Havasu City, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lake Havasu City on the city page.
Is Nautilus Elementary School a good school?
Nautilus Elementary School earns 20/100 on the Resource Investment Index, with class sizes larger than 77% of 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 Lake Havasu Unified District (4368)?
Besides Nautilus Elementary School, Lake Havasu Unified District (4368) also operates Lake Havasu High School (1,523 students), Thunderbolt Middle School (734 students), and Starline Elementary School (629 students). See the Lake Havasu Unified District (4368) 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.