Old Mill Elementary School

352 Throckmorton Ave.
Mill Valley, CA 94941
(School attendance zone shown in map)
10/
10
Top 1%
Serving 257 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 33%). 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 21:1 is lower than the California state level of 22:1.
Minority enrollment is 25% of the student body (majority Hispanic), which is lower than the California state average of 79% (majority Hispanic).

Quick Stats (2024-25)

  • School Type: Magnet School
  • Grades: Kindergarten-5
  • Enrollment: 257 students
  • Student:Teacher Ratio: 21:1
  • Minority Enrollment: 25%
  • : Top 1% in CA
  • : 85-89% (Top 1%)
  • : 85-89% (Top 5%)
  • : 70-79% (Top 5%)
  • 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:

School Overview

Old Mill Elementary School's student population of 257 students has declined by 10% over five school years.
The teacher population of 12 teachers has declined by 7% over five school years.
School Type
Grades Offered
Grades Kindergarten-5
Total Students
257 students
This chart displays total students of Old Mill Elementary School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Old Mill Elementary School
Total Classroom Teachers
12 teachers
This chart displays the total teachers of Old Mill Elementary School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Old Mill Elementary School by grade.

School Rankings

Old Mill Elementary School ranks within the top 1% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Old Mill Elementary School is 0.41, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
#67 out of 9602 schools
(Top 1%)
This chart displays the overall school rank of Old Mill Elementary School, with the latest 2021-22 school year data.
85-89%
33%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Old Mill Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2021-22 school year data.
85-89%
47%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Old Mill Elementary School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2021-22 school year data.
70-79%
29%
Student : Teacher Ratio
21:1
22:1
This chart displays the student teacher ratio of Old Mill Elementary School and the public school average student teacher ratio of California by year, with the latest 2022-23 school year data.
American Indian
n/a
1%
This chart displays the percentage of American Indian students in Old Mill Elementary School and percentage of American Indian public school students in California by year, with the latest 2001-02 school year data.
Asian
2%
12%
This chart displays the percentage of Asian students in Old Mill Elementary School and the percentage of Asian public school students in California by year, with the latest 2022-23 school year data.
Hispanic
5%
55%
This chart displays the percentage of Hispanic students in Old Mill Elementary School and the percentage of Hispanic public school students in California by year, with the latest 2022-23 school year data.
Black
n/a
5%
This chart displays the percentage of Black students in Old Mill Elementary School and the percentage of Black public school students in California by year, with the latest 2006-07 school year data.
White
75%
21%
This chart displays the percentage of White students in Old Mill Elementary School and the percentage of White public school students in California by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
18%
6%
This chart displays the percentage of students of two or more races in Old Mill Elementary School and the percentage of public school students of two or more races in California by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Old Mill Elementary School.
This chart displays the percentage breakdown of public school students of all ethnic groups in California.
0.41
This chart displays the diversity score of Old Mill Elementary School and the public school average diversity score of California by year, with the latest 2022-23 school year data.
Eligible for Free Lunch
3%
51%
This chart displays the percentage of students who is eligible for free lunch in Old Mill Elementary School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch (10-11)
1%
8%
This chart displays the percentage of students who is eligible for reduced lunch in Old Mill Elementary School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2010-11 school year data.
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 #67 out of 9,602 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 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 33% 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?
257 students attend Old Mill Elementary School.
What is the racial composition of the student body?
75% of Old Mill Elementary School students are White, 18% of students are Two or more races, 5% of students are Hispanic, and 2% of students are Asian.
What is the student:teacher ratio of Old Mill Elementary School?
Old Mill Elementary School has a student ration of 21:1, which is lower than the California state average of 22:1.
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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Quick Stats (2024-25)

  • School Type: Magnet School
  • Grades: Kindergarten-5
  • Enrollment: 257 students
  • Student:Teacher Ratio: 21:1
  • Minority Enrollment: 25%
  • : Top 1%
  • : 85-89% (Top 1%)
  • : 85-89% (Top 5%)
  • : 70-79% (Top 5%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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