John Muir Elementary
Public · Grades K–5 · 423 students
St. Catherine of Siena School
604 Mellus St, Martinez, CA 94553
Grades
Pre-K–8
Elementary
Students
143
Enrolled 2024–25
Students per teacher
17 : 1
Full-time teachers
District
Catholic School
Contra Costa County
About St. Catherine of Siena School
St. Catherine of Siena School is an elementary school in Martinez, California, serving grades Pre-K–8. The school is located in a large suburb in Contra Costa County.
In the 2024–25 school year, 143 students were enrolled, with about 17 students for every full-time teacher. That ratio is smaller than the typical California elementary school (21.4 students per teacher). It is affiliated with the Roman Catholic tradition.
Grades
PKK123456789101112
Highlighted: grades offeredGrades Pre-K–8
Location & nearby schools
School details
- Type
- Catholic School · What this means
- Religious affiliation
- Roman Catholic
- Level
- Elementary
- Grades offered
- Pre-K–8
- Enrollment (2024–25)
- 143 students
- Students per teacher
- 17 to 1
- Locale
- Suburb — Large
- County
- Contra Costa County
- NCES private school ID
- 00075054
Schools near St. Catherine of Siena School
All 13 schools in Martinez →
Morello Park Elementary
Public · Grades K–5 · 496 students
Las Juntas Elementary
Public · Grades K–5 · 353 students
John Swett Elementary
Public · Grades K–5 · 533 students
St. Dominic Elementary School
Private · Grades K–8 · 304 students
Robert Semple Elementary
Public · Grades K–5 · 480 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.