Limited Profile
Not enough data to generate a rating
Helios School
Elementary School
597 Central Avenue, Sunnyvale, CA 94086
Enrollment
164
Student-Teacher
5.9:1
Grades
Kindergarten – 8th
Enrollment
164
Student-Teacher
5.9:1
Grades
Kindergarten – 8th
Updated
2024-25
Updated 2024-25
How this school compares
Academic performance
7.4 / 10
Strong
About Helios School
Helios School is an private elementary school in Sunnyvale, CA 94086. The school serves approximately 164 students in grades Kindergarten – 8th with a student-teacher ratio of 5.9:1. Located in a neighborhood with a median household income of $180,217, where 70% of adults hold a bachelor's degree or higher.
What Parents Should Know
With an enrollment of 164 students, Helios School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
With a student-teacher ratio of 5.9:1, Helios School offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
As a private school, Helios School operates independently from the local public school district. Families considering this school should inquire about tuition costs, financial aid availability, and the admissions process. Private schools are not required to follow the same curriculum standards as public schools, which can be either an advantage or a consideration depending on your priorities.
Compare to Public Schools
BetaHow Helios School compares to 17 public schools serving similar grades in Sunnyvale, CA
Nearby Elementary Schools
| School | Rating |
|---|---|
| Helios School (this school) | — |
| Ellis Elementary | 6.6 |
| Braly Elementary | 6.0 |
| Cumberland Elementary | 7.6 |
| Ponderosa Elementary | 5.5 |
| Bishop Elementary | 5.9 |
| Sunnyvale Middle | 7.6 |
| Chester W. Nimitz Elementary | 7.5 |
| Vargas Elementary | 6.5 |
| Cherry Chase Elementary | 8.5 |
| Louis E. Stocklmeir Elementary | 5.7 |
| Marian A. Peterson Middle | 7.4 |
| Columbia Middle | 7.3 |
| San Miguel Elementary | 6.9 |
| Lakewood Elementary | 6.2 |
| Cupertino Middle | 8.5 |
| West Valley Elementary | 6.3 |
| Fairwood Elementary | 6.8 |
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
School Profile
Limited Data- Grades
- Kindergarten – 8th
- Enrollment
- 164 students
- Type
- Private
- Student-Teacher Ratio
- 5.9:1
- Address
- 597 Central Avenue, Sunnyvale, CA 94086
- Phone
- (408) 475-1024
- Data Year
- SY 2024-25
Why doesn't this school have a score?
We don't have enough verified data to rate this school fairly. Private schools in CA aren't required to report standardized test scores to the state, which limits the data available for our rating model.
Our rating model requires at least 2 of 3 data components (academics, student progress, college readiness, and resources) to generate a meaningful score. Schools below this threshold receive a Limited Profile to avoid misleading ratings.
Test Scores
Test score data not yet available for this school.
Location
597 Central Avenue, Sunnyvale, CA 94086
Nearby Alternatives
Families considering Helios School may also want to explore other elementary schools in the area. Cumberland Elementary (rated 7.6/10, 1.0 miles away). Another option is Chester W. Nimitz Elementary (rated 7.5/10, 1.5 miles away). Additionally, RESURRECTION SCHOOL (rated 7.2/10, 1.6 miles away). For more schools in Sunnyvale, see our Sunnyvale schools guide .
Nearby Schools
20 within 1.8 mi| School | Distance | Rating |
|---|---|---|
| Ellis Elementary Sunnyvale | 0.2 mi | 6.6 |
| Braly Elementary Sunnyvale | 0.5 mi | 6.0 |
| CHAMPION KINDER INTERNATIONAL SCHOOL Sunnyvale | 0.8 mi | — |
| LITTLE TREE MONTESSORI Sunnyvale | 0.8 mi | — |
| Stratford School Washington Park Sunnyvale | 0.9 mi | — |
| Fremont High Sunnyvale | 1.1 mi | 6.8 |
| Cumberland Elementary Sunnyvale | 1.0 mi | 7.6 |
| Ponderosa Elementary Sunnyvale | 1.0 mi | 5.5 |
| Community Day Sunnyvale | 1.2 mi | — |
| Bishop Elementary Sunnyvale | 1.3 mi | 5.9 |
| Challenger School - Sunnyvale Sunnyvale | 1.3 mi | — |
| SUNNYVALE CHRISTIAN SCHOOL Sunnyvale | 1.3 mi | 6.2 |
| Chester W. Nimitz Elementary Sunnyvale | 1.5 mi | 7.5 |
| Louis E. Stocklmeir Elementary Sunnyvale | 1.6 mi | 5.7 |
| THE KING'S ACADEMY Sunnyvale | 1.5 mi | 4.9 |
| RAINBOW MONTESSORI Sunnyvale | 1.5 mi | 7.1 |
| Rainbow Montessori Sunnyvale | 1.6 mi | — |
| RESURRECTION SCHOOL Sunnyvale | 1.6 mi | 7.2 |
| Vargas Elementary Sunnyvale | 1.6 mi | 6.5 |
| Columbia Middle Sunnyvale | 1.8 mi | 7.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 94086 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$180,217
Median Home Value
$1,784,200
Median Rent
$2,923/mo
Population
48,956
College Educated
70.2%
Homeownership
30.8%
Avg Commute
24 min
Poverty Rate
6.5%
Median Age
33.5
Community Profile
The community surrounding Helios School has a median household income of $180,217. It is a well-educated community where 70% of adults hold a bachelor's degree or higher. The median home value in the area is $1,784,200, with a median rent of $2,923/month. The local poverty rate of 6.5% is relatively low. The average commute for residents is 24 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| A Bright Beginning Inglewood, CA | — |
| Action Day Middle School San Jose, CA | — |
| Adda Clevenger School San Francisco, CA | — |
| All Hallows Academy La Jolla, CA | — |
| All Saints Academy of Stockton Stockton, CA | — |
| All Saints Catholic School Hayward, CA | — |
Frequently Asked Questions
Common questions about Helios School
What grades does Helios School serve?
Helios School serves students in grades Kindergarten through 8th.
How many students attend Helios School?
Helios School has an enrollment of approximately 164 students.
What is the student-teacher ratio at Helios School?
The student-teacher ratio at Helios School is 5.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
Is Helios School a private school?
Yes, Helios School is a private coeducational school. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Explore More Schools
Neighborhood Context
- City Safety
- High (2,176/100K)
FBI UCR 2024. City-level (Sunnyvale). Data >1 year old.
Quick Facts NCES PSS (SY 2024-25)
- Grades
- Kindergarten – 8th
- Enrollment
- 164
- Student-Teacher Ratio
- 5.9:1
- Teachers (FTE)
- 28
- Type
- private
- Coed Status
- coed
- County
- Santa Clara
- Phone
- (408) 475-1024
- Data Year
- 2025–2026
Resources & Links
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Elementary Schools in America: 2026 Rankingsbest schools
- Best Public Schools in California 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Los Angeles, CA — 2026 Rankingsbest schools
- Best Schools in San Diego, CA — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.