CaliforniaSchoolsRiver Montessori Elementary Charter

River Montessori Elementary Charter

PublicRegularCharter
Petaluma, California · River Montessori Elementary Charter District
Teachers6.0FTE
Ratio22.2:1students per teacher
Students133enrolled
SCHOOL SNAPSHOT
Students133
Grade Span0–6
Student:Teacher22.2:1
Free/Reduced Lunch26%
Title INo
SectorCharter
Student : Teacher
28.8:1
30%vs prior yrUS avg 15.4:1
Teacher FTE
5
16.7%vs prior yr
Enrollment
144
8.3%vs prior yr
Years of Data
5
2020–2024
Counselors
ASCA max 1:250
Nurses
NASN max 1:750
Psychologists
NASP max 1:500
Social Workers
SSWAA max 1:250
Trends & 5-year history below

Pupil : Teacher Ratio — 5-Year Trend

14.3:117.4:120.5:123.7:126.8:129.9:12020202120222023202422.3:118.3:122.8:122.2:128.8:1This schoolUS public-school avg

Enrollment & Teacher FTE

1261321391451521585566772020202120222023202415612813713314477665EnrollmentTeacher FTE

Year-by-year workforce

Metric20202021202220232024Nat Avg
Enrollment156128137133144
Teacher FTE77665
Pupil : Teacher ratio22.3:118.3:122.8:122.2:128.8:115.4:1

What These Numbers Mean

Teacher FTE

Full-Time Equivalent counts part-time teachers proportionally. One full-time teacher = 1.0 FTE; two half-time teachers also = 1.0 FTE. This is the standard federal reporting unit.

Pupil : Teacher ratio

NCES-reported ratio divides total enrollment by teacher FTE. It is NOT the same as average class size — schools with specialists, coaches, and resource teachers will show lower ratios than typical class sizes.

How to read the trend

A falling pupil:teacher ratio (line going down) means more staffing per student — generally a positive signal. A rising line can indicate budget pressure or fast enrollment growth outpacing hiring. Always compare to the US average (dashed grey).

Historical data spans 20202024 from NCES CCD.

Student Support & Wellbeing

Counselor, nurse, psychologist and social-worker staffing data will appear here once the latest CRDC (Civil Rights Data Collection) ingestion completes for this school.

Source: US Dept of Education — CRDC.