Helios School
Independent school · Grades K–8
Sunnyvale, CA
597 Central Ave, Sunnyvale, CA 94086
Overall grade: A
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- A-Class size
- B-Years serving families
- ADiversity
What stands out
- The smallest classes of any independent school in Sunnyvale
- Smaller classes than 63% of independent schools in California
In Sunnyvale, California, Helios School is an independent private school for students from kindergarten through 8th grade. About 157 students attend, with roughly 7 students per teacher, smaller classes than 63% of independent elementary schools in California. The school day runs about 7 hours, 175 days a year.
At a glance
- Grades
- Grades K–8
- Students
- 157
- Teachers
- 23.6 (full-time equivalent)
- Students per teacher
- 6.7
- Boys and girls
- Coed · 63 girls, 94 boys
- Religious affiliation
- None (nonsectarian)
- Program
- Special program emphasis
- School day
- About 7 hours
- School year
- 175 days
Reviews
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How it compares
- Smaller classes than 63% of independent elementary schools in California (7 students per teacher).
- Larger than 62% of independent elementary schools in California.
- Compared with 280 independent elementary schools in California.
Students by grade
Student body
Member of
- National Association of Independent Schools
- A state or regional independent school association
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about Helios School
What grades does Helios School serve?
Helios School serves grades K–8.
How many students attend Helios School?
About 157 students, with 7 students per teacher, according to official records.
How much is tuition at Helios School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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