Does BASIS Independent Silicon Valley Lower School require the ISEE or SSAT?

It depends on the grade: no test for grades TK–1; the ISEE or SSAT for grades 2–9.

When is the BASIS Independent Silicon Valley Lower School application deadline?

The main application deadline is January 27, 2027, and decisions are released March 17, 2027. Families apply through Ravenna.

How many students attend BASIS Independent Silicon Valley Lower School?

BASIS Independent Silicon Valley Lower School enrolls 444 students in grades K–5, with about 9 students per teacher (NCES Private School Survey, 2023-24).

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BASIS Independent Silicon Valley Lower School tuition & admissions

Sunnyvale, CAGrades K–5Day, coed

Tuition 2026-27

$41,785

Highest grade band

Application deadline

January 27

2027

Students

444

9 students per teacher

Admission test

Varies by grade

Tuition 2026-27

Grades	Day
TK–4	$36,380
5–12	$41,785

How to apply

Entry grades	TK, 1, 2, 3, 4, 5, 6, 7, 8, 9
Admission test, grades TK–1	No test
Admission test, grades 2–9	ISEE or SSAT
Interview	—
Apply through	Ravenna
Application fee	—
Deadline	January 27, 2027
Decisions released	March 17, 2027

School facts

Students	444
Teachers (full-time equivalent)	49
Students per teacher	9.1
School days per year	180
Endowment	—
Annual revenue	—
Head of school pay	—

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BASIS Independent Silicon Valley Lower School FAQ

How much is BASIS Independent Silicon Valley Lower School tuition?: For 2026-27, tuition at BASIS Independent Silicon Valley Lower School is $36,380 for grades TK–4; $41,785 for grades 5–12, per the school's website.
Does BASIS Independent Silicon Valley Lower School require the ISEE or SSAT?: It depends on the grade: no test for grades TK–1; the ISEE or SSAT for grades 2–9.
When is the BASIS Independent Silicon Valley Lower School application deadline?: The main application deadline is January 27, 2027, and decisions are released March 17, 2027. Families apply through Ravenna.
How many students attend BASIS Independent Silicon Valley Lower School?: BASIS Independent Silicon Valley Lower School enrolls 444 students in grades K–5, with about 9 students per teacher (NCES Private School Survey, 2023-24).

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Sources: tuition and admissions from basisindependent.com, siliconvalley.basisindependent.com (checked Oct 2026); enrollment from the NCES Private School Survey 2023-24. “—” means we couldn't find it.