Serving 696 students in grades Kindergarten-5, Harold William Kolb ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 81% (which is higher than the California state average of 34%). 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 26:1 is higher than the California state level of 21:1.
Minority enrollment is 92% of the student body (majority Asian), which is higher than the California state average of 80% (majority Hispanic and Asian).
Quick Facts (2026)
- Grades: Kindergarten-5
- Enrollment: 696 students
- Student-Teacher Ratio: 26:1
- Minority Enrollment: 92%
- Overall Testing Rank: Top 5% in CA
- Math Proficiency: 81% (Top 5%)
- Reading Proficiency: 89% (Top 1%)
- Science Proficiency: 70-74% (Top 5%)
- Attendance Zone: Harold William Kolb serves the east part of Dublin, CA, encompassing an area of approximately 1 square mile. Families typically live within a 5-10 minute drive, with the furthest edge of the attendance zone located about 1.1 miles from the school.
- 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 696 students has declined by 6% over five school years.
The teacher population of 27 teachers has declined by 12% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
696 students
Total Classroom Teachers
27 teachers
Year Founded
2011
School Calendar
School Motto
Growing and Learning with Kindness
School Rankings
Harold William Kolb ranks within the top 5% of all 9,523 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
#114 out of 9523 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
81%
34%
Reading/Language Arts Test Scores (% Proficient)
89%
47%
Science Test Scores (% Proficient)
70-74%
29%
Student-Teacher Ratio
26:1
21:1
American Indian
n/a
1%
Asian
78%
12%
Hispanic
7%
56%
Black
2%
5%
White
8%
20%
Hawaiian
n/a
n/a
Two or more races
5%
6%
All Ethnic Groups
Chronically Absent Students
(22-23)12.2%
27.7%
Eligible for Free Lunch
14%
54%
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Harold William Kolb's ranking?
Harold William Kolb is ranked #114 out of 9,523 schools, which ranks it among the top 5% 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?
81% of students have achieved math proficiency (compared to the 34% 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?
696 students attend Harold William Kolb.
What is the racial composition of the student body?
78% of Harold William Kolb students are Asian, 8% of students are White, 7% of students are Hispanic, 5% of students are Two or more races, and 2% of students are Black.
What is the student-teacher ratio of Harold William Kolb?
Harold William Kolb has a student ration of 26:1, 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.
School Reviews
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