Serving 722 students in grades Kindergarten-5, Harold William Kolb 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 87% (which is higher than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 89% (which is higher than the California state average of 47%).
The student:teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 91% of the student body (majority Asian), which is higher than the California state average of 80% (majority Hispanic and Asian).
Quick Stats (2025)
- Grades: Kindergarten-5
- Enrollment: 722 students
- Student:Teacher Ratio: 24:1
- Minority Enrollment: 91%
- Overall Testing Rank: Top 1% in CA
- Math Proficiency: 87% (Top 1%)
- Reading Proficiency: 89% (Top 1%)
- Science Proficiency: 70-74% (Top 5%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Harold William Kolb 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
Harold William Kolb's student population of 722 students has stayed relatively flat over five school years.
The teacher population of 30 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
722 students
Gender %
Total Classroom Teachers
30 teachers
Students by Grade
School Calendar
School Rankings
Harold William Kolb 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 Harold William Kolb is 0.38, 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
#46 out of 9602 schools
(Top 1%)
(Top 1%)
Math Test Scores (% Proficient)
87%
33%
Reading/Language Arts Test Scores (% Proficient)
89%
47%
Science Test Scores (% Proficient)
70-74%
29%
Student : Teacher Ratio
24:1
21:1
American Indian
n/a
1%
Asian
78%
12%
Hispanic
5%
56%
Black
3%
5%
White
9%
20%
Hawaiian
n/a
n/a
Two or more races
5%
6%
All Ethnic Groups
Eligible for Free Lunch
7%
54%
Eligible for Reduced Lunch (19-20)
1%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated:
Frequently Asked Questions
What is Harold William Kolb's ranking?
Harold William Kolb is ranked #46 out of 9,602 schools, which ranks it among the top 1% of public schools in California.
What schools are Harold William Kolb often compared to?
Harold William Kolbis often viewed alongside schools like John Green Elementary School, J. M. Amador Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
87% of students have achieved math proficiency (compared to the 33% CA state average), while 89% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Harold William Kolb?
722 students attend Harold William Kolb.
What is the racial composition of the student body?
78% of Harold William Kolb students are Asian, 9% of students are White, 5% of students are Hispanic, 5% of students are Two or more races, and 3% of students are Black.
What is the student:teacher ratio of Harold William Kolb?
Harold William Kolb has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Harold William Kolb offer ?
Harold William Kolb offers enrollment in grades Kindergarten-5
What school district is Harold William Kolb part of?
Harold William Kolb is part of Dublin Unified School District.
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