PublicCharterGrades K-5
Rocketship Mosaic Elementary School
950 Owsley Avenue, San Jose, CA 95122-3109(877) 806-0920
Total Students528
Student/Teacher33:1
Math Prof.65.81%
Reading Prof.60.26%
School Information
Charter SchoolYes
Magnet SchoolNo
Virtual SchoolNo
CountySanta Clara
School DistrictFranklin-McKinley Elementary School District
Principal / AdminMaricela Guerrero(877) 806-0920
Founded2011
Free/Reduced Lunch66.86% Eligible
Acceptance Rate100%
Student Demographics
White1.7%
Hispanic44.5%
Black0.9%
Asian51.7%
Pacific Islander0.4%
Two Or More0.8%
Gender Distribution
49.8%
50.2%
Male Female
Students per Grade
Grade 199
Grade 2123
Grade 3100
Grade 4107
Grade 533
School Calendar 2026-2027
August 2026
Academic Schedule • 2026-2027
Holiday Event
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First Day of SchoolMinimum Days/Home Visits
11
Minimum Days/Home Visits
12
Minimum Days/Home Visits
13
Minimum Days/Home Visits
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Minimum Days/Home Visits
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Rocketship Mosaic Elementary School
Academic Calendar (2026-2027)
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November 2026
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December 2026
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February 2027
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March 2027
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June 2027
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Key Dates & Holidays
TK/Kinder CampAug 7
First Day of SchoolAug 10
Minimum Days/Home VisitsAug 10
Fall NWEA Testing BeginsAug 26
Labor Day HolidaySep 7
Fall NWEA Testing EndsSep 11
Family ConferencesOct 5
Indigenous Peoples DayOct 12
Veterans DayNov 11
Thanksgiving BreakNov 23
Winter NWEA Testing BeginsNov 30
Winter NWEA Testing EndsDec 11
Winter Recess BeginsDec 21
Winter Recess EndsJan 5
Martin Luther King Jr. DayJan 18
Family Conferences (Minimum Day)Feb 11
Family Conferences (No School)Feb 12
President's DayFeb 15
February BreakFeb 16
Spring BreakApr 5
Spring NWEA Testing BeginsApr 14
Spring NWEA Testing EndsApr 28
G3-G5 SBAC Testing BeginsMay 3
G3-G5 SBAC Testing EndsMay 21
Memorial DayMay 31
Family ConferencesJun 1
Last Day of SchoolJun 3
Key Dates & Holidays
2026-2027Igniting Young Minds in San Jose
Families often look for schools offering vibrant extracurriculars like basketball and soccer, alongside enriching academic programs such as STEM and robotics. This institution provides a nurturing environment where students can explore their potential. Opportunities for creative expression through the arts are also frequently a key consideration for parents.
Your Partner in Education
Our school is dedicated to fostering a supportive learning community. We encourage families to stay informed about school events and academic progress. Please refer to the academic calendar on this page for important dates and deadlines.
Frequently Asked Questions
What extracurricular activities are available for students?
While specific programs vary each year, students often have access to clubs like robotics and athletics such as soccer. We recommend contacting the administration directly for the current list of activities.
What grades does Rocketship Mosaic Elementary School serve?
This public school serves students from Kindergarten through 5th grade.
How can I enroll my child?
Enrollment procedures typically begin with visiting the Franklin-McKinley Elementary School District website or contacting the school's main office for detailed instructions and required documentation.
Is this school part of a larger district?
Yes, Rocketship Mosaic Elementary School is proudly part of the Franklin-McKinley Elementary School District in San Jose, CA.
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