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Elementary Schools in Foster City, California

Above Average2024–25 data5 schools · avg 68.6/100

Foster City, California has 5 ranked elementary schools with an average Scope Score of 68.6/100 — 24.9 points above the California state average of 43.8. The highest-scoring school is Beach Park Elementary at 73/100, where 53.1% of students exceed the state standard on the 2025 CAASPP assessment. Foster City schools average 47.0% exceeded standard (state: 21.6%) — this exceeded-vs-met distinction reveals whether schools push students beyond proficiency or pace toward it. Of 5 schools, 1 High Ceiling stand out for their performance profiles. Chronic absenteeism averages 10.6% (below the state average of 18.1%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.

Avg Scope Score
68.6
State avg: 43.8
SchoolScope composite
Score Range
14.9
58.1 – 73.0
Avg Exceeded %
47.0%
State avg: 21.6%
CDE CAASPP 2025
Chronic Absenteeism
10.6%
State avg: 18.1%
CDE Attendance 2025
Schools Ranked
5
With Scope Scores

How Foster City schools compare

Foster City's 5 ranked elementary schools average a Scope Score of 68.6 — 24.9 points above the California state average of 43.8. Scores range from 58.1 to 73.0, a 14.9-point spread.

The top-ranked school is Beach Park Elementary with a Scope Score of 73 and 53.1% of students exceeding standard.

High-ceiling schools: Foster City schools average 47.0% exceeding standard — well above the statewide average of 21.6%. These schools aren't just getting students to proficiency, they're pushing them further.

Chronic absenteeism in Foster City averages 10.6%, which is above the state average of 18.1%.

How we score · Scope Score weights exceeded (40%), met (22%), growth (15%), absenteeism (10%), suspension (5%), ELPAC (5%), baseline (3%)

School archetypes in Foster City

4 Strong All-Around1 High Ceiling

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

Schools in Foster City ranked by Scope Score

#SchoolExceededScore
1Beach Park Elementary
San Mateo-Foster City High Ceiling
53.1%Strong
73/100
2Foster City Elementary
San Mateo-Foster City Strong All-Around
49.3%Strong
72/100
3Bowditch Middle
San Mateo-Foster City Strong All-Around
47.4%Strong
71/100
4Brewer Island Elementary
San Mateo-Foster City Strong All-Around
47.3%Solid
69/100
5Audubon Elementary
San Mateo-Foster City Strong All-Around
37.9%Solid
58/100

Data source: California Department of Education · CAASPP 2024-25 · Methodology

Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.

Private Schools in Foster City

Private schools don't participate in California's standardized testing (CAASPP) and cannot be scored or ranked. Showing enrollment, student-teacher ratio, and affiliation where available.

Kids Connection Elementary
Nonsectarian · Grades Pre-K-5 · 232 students
15:1Private
Ronald C Wornick Jewish Day School
Episcopal · Grades Pre-K-8 · 195 students
5:1Private

What Scope Scores can't tell you about Foster City

  • Class sizes and student-teacher interaction quality
  • Quality of arts, music, athletics, and enrichment programs
  • Teacher experience, turnover, and professional development
  • Campus safety, bullying climate, and social-emotional support
  • Parent and community engagement levels
  • Quality of special education and gifted programs
  • How school zones and enrollment boundaries affect access

Scope Scores measure academic performance and school climate using public data. They are one lens among many. Full methodology

Frequently asked questions

Are the schools in Foster City good?
Foster City's 5 ranked elementary schools average a Scope Score of 68.6/100, which is 24.9 points above the California state average of 43.8. 47.0% of students exceed the state standard on average (state average: 21.6%). The Scope Score weights six dimensions: exceeded standard (40%), met standard (22%), grade-level growth (15%), chronic absenteeism (10%), suspension rate (5%), and ELPAC proficiency (5%). Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best elementary school in Foster City?
The highest-scoring elementary school in Foster City is Beach Park Elementary with a Scope Score of 73/100 and 53.1% of students exceeding the state standard. Rankings are based on SchoolScope's 2025 Scope Score, which measures academic performance and school climate using publicly available California data. See full methodology.
How do Foster City schools compare to the state average?
Foster City elementary schools average a Scope Score of 68.6 vs. the statewide average of 43.8 (24.9 points above). The exceeded rate averages 47.0% vs. 21.6% statewide. Chronic absenteeism averages 10.6% vs. 18.1% statewide. Scores range from 58.1 to 73.0, a 14.9-point spread.
How many schools are in Foster City?
Foster City has 5 ranked elementary schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.
What does the Scope Score measure?
The Scope Score is SchoolScope's proprietary composite rating (0–100) based on six dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, and ELPAC English Learner proficiency. Unlike single-number ratings, the Scope Score separates students who "exceeded" from those who "met" the standard — revealing whether a school pushes students beyond proficiency or paces toward it. Full methodology and weights.

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