Serving 261 students in grades Kindergarten-5, Old Mill Elementary School ranks in the top 1% of all schools in California for overall test scores (math proficiency is top 1%, and reading proficiency is top 1%).
The percentage of students achieving proficiency in math is 85-89% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 85-89% (which is higher than the California state average of 47%).
The student-teacher ratio of 22:1 is higher than the California state level of 21:1.
Minority enrollment is 30% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (26-27)
- Grades: Kindergarten-5
- Enrollment: 261 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 30%
- Overall Testing Rank: Top 1% in CA
- Math Proficiency: 85-89% (Top 1%)
- Reading Proficiency: 85-89% (Top 5%)
- Science Proficiency: 70-79% (Top 5%)
- Attendance Zone: Old Mill Elementary's attendance zone covers the entire Mill Valley school district, encompassing approximately 27.8 square miles. Most students live within a 5-10 minute drive of the school, with the furthest edge of the zone located about 7 miles away.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Old Mill Elementary School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Old Mill Elementary School's student population of 261 students has declined by 6% over five school years.
The teacher population of 12 teachers has declined by 7% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
261 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
12 teachers
Showing 2014–2025. Full 39-year historical data available below ↓
Year Founded
1921
School Calendar
School Rankings
Old Mill Elementary School ranks within the top 1% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Old Mill Elementary School is 0.47, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#59 out of 9523 schools
(Top 1%)
(Top 1%)
Showing 2011–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
85-89%
34%
Showing 2011–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
85-89%
47%
Science Test Scores (% Proficient)
70-79%
29%
Student-Teacher Ratio
22:1
21:1
Showing 2014–2025. Full 39-year historical data available below ↓
Asian
3%
12%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
6%
56%
Showing 2015–2025. Full 38-year historical data available below ↓
White
70%
20%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
21%
6%
Showing 2015–2025. Full 17-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Chronically Absent Students
(22-23)17.6%
27.7%
Eligible for Free Lunch
4%
54%
Showing 2015–2025. Full 34-year historical data available below ↓
Eligible for Reduced Lunch (10-11)
1%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Old Mill Elementary School's ranking?
Old Mill Elementary School is ranked #59 out of 9,523 schools, which ranks it among the top 1% of public schools in California.
What schools are Old Mill Elementary School often compared to?
Old Mill Elementary Schoolis often viewed alongside schools like Park Elementary School, Edna Maguire Elementary School, Tamalpais Valley Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
85-89% of students have achieved math proficiency (compared to the 34% CA state average), while 85-89% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Old Mill Elementary School?
261 students attend Old Mill Elementary School.
What is the racial composition of the student body?
70% of Old Mill Elementary School students are White, 21% of students are Two or more races, 6% of students are Hispanic, and 3% of students are Asian.
What is the student-teacher ratio of Old Mill Elementary School?
Old Mill Elementary School has a student ration of 22:1, which is higher than the California state average of 21:1.
What grades does Old Mill Elementary School offer ?
Old Mill Elementary School offers enrollment in grades Kindergarten-5
What school district is Old Mill Elementary School part of?
Old Mill Elementary School is part of Mill Valley Elementary School District.
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