At-a-glance snapshot, compared to state averages where available
State avg: 489
210
Total Enrollment
9.7:1
Student : Teacher
Private
Sector
No
Title I
District
Governance
KG–6
Grade Span
Primary
Level
Overview
St Marks School - Altadena is a private primary serving grades KG–6 in Altadena, California. The school enrolls 210 students. It is part of the Religious: Episcopal district.
Source: NCES CCD (2022)
Strengths & Things to Consider
Indicators pulled CCD and benchmarked against California state averages. This is not a ranking — different families value different things.
Strengths
Smaller-than-average class sizes
9.7:1 student-to-teacher ratio (US average ≈ 16:1)
Things to Consider
No official school website listed in our source data
This is a data-completeness gap, not a reflection of the school