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#7355 of 9,533 schools in CA

Rocketship Mosaic Elementary

Elementary School · Rocketship Mosaic Elementary District

350 Twin Dolphin Dr. Ste. 109, Redwood City, CA 94065

Charter

Enrollment

561

Student-Teacher

35.1:1

Score

5.1

Grades

Kindergarten – 5th

Updated 2022-23

How this school compares

In Redwood City

#21 of 34

public schools

California elementary schools

#4,346 of 5,817

Equity

9.5 / 10

Exceptional

About Rocketship Mosaic Elementary

Rocketship Mosaic Elementary serves 561 students in kindergarten through fifth grade as a charter school in Redwood City. With 16 full-time equivalent teachers, the school maintains a student-teacher ratio of 35.1 to 1, reflecting the innovative educational model that Rocketship schools are known for implementing. The school demonstrates solid academic performance, earning a 7.3 out of 10 rating and ranking in the 77th percentile statewide at #2172 out of 9566 California elementary schools.

Students show particular strength in mathematics, with 61% achieving proficiency or above, while 54% meet or exceed standards in English Language Arts and reading. Rocketship Mosaic Elementary operates within an affluent community where the median household income reaches $201,125 and home values average $1.7 million. The surrounding neighborhood reflects high educational attainment, with 81% of residents holding bachelor's degrees or higher, and maintains a low poverty rate of 4.3%.

The school's charter status allows for educational flexibility while serving families in this prosperous Silicon Valley area. Located on Twin Dolphin Drive in Redwood City, Rocketship Mosaic Elementary sits within a large city environment that offers both urban amenities and access to the broader educational and professional opportunities of Santa Clara County.

What Parents Should Know

The student-teacher ratio at Rocketship Mosaic Elementary is 35.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Rocketship Mosaic Elementary is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress4.1Below Average50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-1.94 pts/yr
Data Period2019–2024
TrendDeclining
Academics9.3Exceptional30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency65.1%
Reading/ELA Proficiency55.7%
Math vs. State Avg+19.4 pts
Reading vs. State Avg+12.9 pts
Overall Proficiency60%
Expected (poverty-adj.)35%
vs. Expected+25.6 pts
Adjusted Percentile89th
College ReadinessNot Available

Data not available for this school

Resources & Environment1.5Significantly Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio35.1:1
Per-Pupil Spending$16,878

Rocketship Mosaic Elementary — Students at Rocketship Mosaic Elementary score 60% proficient, which is above what's typical for similar communities (expected: 35%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

70.4%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 63.5%
School
State
39.4%
ELA Proficiency 56.0%
School
State
45.3%

Based on 10 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
72%
ELA
63%
2024
Math
61.4%
ELA
54.2%

Source: EdFacts (NCES) and state assessment data. Growth score: 4.1/10.

How Rocketship Mosaic Elementary Compares

See how Rocketship Mosaic Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
5.1/10
23th percentile in CA
Academic
9.3/10
9.3/10
Growth
4.1/10
Below average
Environment
1.5/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
70%
Teaching Staff
35:1 student-teacher ratio
16 teachers

Location

350 Twin Dolphin Dr. Ste. 109, Redwood City, CA 94065

Nearby Alternatives

Families considering Rocketship Mosaic Elementary may also want to explore other elementary schools in the area. Shirakawa (George Sr.) Elementary (rated 5.9/10, 1.1 miles away, in nearby San Jose), which scores slightly higher. Another option is Selma Olinder Elementary (rated 5.7/10, 0.8 miles away, in nearby San Jose), which scores slightly higher. Additionally, Rocketship Los Suenos Academy (rated 5.7/10, 1.0 miles away), which scores slightly higher. For more schools in Redwood City, see our Redwood City schools guide .

Nearby Schools

20 within 1.5 mi
School Distance Rating
Robert F. Kennedy Elementary San Jose 0.4 mi 4.6
Alpha: Cornerstone Academy Preparatory San Jose 0.4 mi 4.5
Santee Elementary San Jose 0.5 mi 4.0
Yerba Buena High San Jose 0.7 mi 7.4
ACE Esperanza Middle San Jose 0.6 mi 3.6
Bridges Academy San Jose 0.6 mi 5.8
McKinley Elementary San Jose 0.7 mi 5.1
Luis Valdez Leadership Academy San Jose 0.7 mi 6.9
College Connection Academy San Jose 0.7 mi 7.5
Selma Olinder Elementary San Jose 0.8 mi 5.7
Rocketship Los Suenos Academy Redwood City 1.0 mi 5.7
Shirakawa (George Sr.) Elementary San Jose 1.1 mi 5.9
O. S. Hubbard Elementary San Jose 1.0 mi 3.5
Jeanne R. Meadows Elementary San Jose 1.0 mi 5.1
KIPP Heartwood Academy San Jose 1.1 mi 8.9
Kipp Prize Preparatory Academy San Jose 1.1 mi 8.2
Alpha: Jose Hernandez San Jose 1.2 mi 3.0
Alpha: Blanca Alvarado San Jose 1.2 mi 3.1
A. J. Dorsa Elementary San Jose 1.3 mi 4.0
Cristo Rey San Jose Jesuit High School San Jose 1.5 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 94065 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$213,361

Median Home Value

$1,847,000

Median Rent

$3,501/mo

Population

11,620

College Educated

81%

Homeownership

65.8%

Avg Commute

27.8 min

Poverty Rate

3.1%

Median Age

42.6

Community Profile

The community surrounding Rocketship Mosaic Elementary has a median household income of $213,361. It is a well-educated community where 81% of adults hold a bachelor's degree or higher. The median home value in the area is $1,847,000, with a median rent of $3,501/month. The local poverty rate of 3.1% is relatively low. The average commute for residents is 28 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
Ada Givens Elementary Merced, CA 5.1
Alicia Reyes Elementary Merced, CA 5.1
Antelope Meadows Elementary Antelope, CA 5.1
Arcohe Elementary Herald, CA 5.1
Arlanza Elementary Riverside, CA 5.1
Bancroft Elementary La Mesa, CA 5.1

Frequently Asked Questions

Common questions about Rocketship Mosaic Elementary

What grades does Rocketship Mosaic Elementary serve?

Rocketship Mosaic Elementary serves students in grades Kindergarten through 5th.

How many students attend Rocketship Mosaic Elementary?

Rocketship Mosaic Elementary has an enrollment of approximately 561 students.

What is the student-teacher ratio at Rocketship Mosaic Elementary?

The student-teacher ratio at Rocketship Mosaic Elementary is 35.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Rocketship Mosaic Elementary rank in CA?

Rocketship Mosaic Elementary is ranked #7355 out of 9,533 schools in CA.

What is Rocketship Mosaic Elementary's MySchoolScout rating?

Rocketship Mosaic Elementary has a composite rating of 5.1 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Rocketship Mosaic Elementary?

Based on the most recent state assessment data, Rocketship Mosaic Elementary has 63.5% math proficiency and 56.0% reading/ELA proficiency.

Is Rocketship Mosaic Elementary a charter school?

Yes, Rocketship Mosaic Elementary is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Rocketship Mosaic Elementary a Title I school?

No, Rocketship Mosaic Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Rocketship Mosaic Elementary?

70.4% of students at Rocketship Mosaic Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

City Safety
High (2,120/100K)

FBI UCR 2024. City-level (Redwood City). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 5th
Enrollment
561
Student-Teacher Ratio
35.1:1
Teachers (FTE)
16
Free/Reduced Lunch
70.4%
Type
regular
Setting
Large City
County
Santa Clara County
Data Year
2023–2024

District

Rocketship Mosaic Elementary District
District Enrollment
561
Schools in District
1
Per-Pupil Spending
$19,129
District Rank
#1 of 1

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 methodology

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