Guin Foss Elementary School

18492 Vanderlip Ave.
Tustin, CA 92780
(School attendance zone shown in map)
: 
8/
10
Top 30%
Serving 395 students in grades Kindergarten-5, Guin Foss Elementary School ranks in the top 30% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 45-49% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher than the California state average of 47%).
The student-teacher ratio of 25:1 is higher than the California state level of 21:1.
Minority enrollment is 81% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).

Quick Facts (2026-27)

  • Grades: Kindergarten-5
  • Enrollment: 395 students
  • Student-Teacher Ratio: 25:1
  • Minority Enrollment: 81%
  • : Top 30% in CA
  • : 45-49% (Top 30%)
  • : 50-54% (Top 50%)
  • : 55-59% (Top 10%)
  • : Guin Foss Elementary serves the northwest part of Tustin, CA, covering an area of approximately 1.6 square miles. Most families live within a 5-10 minute drive, with the furthest edge of the attendance zone being about 2 miles from the school.
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Guin Foss Elementary School ranks among the top 20% of public schools in California for:

Category
Attribute

School Overview

Guin Foss Elementary School's student population of 395 students has stayed relatively flat over five school years.
The teacher population of 16 teachers has grown by 6% over five school years.
Grades Offered
Grades Kindergarten-5
Total Students
395 students
Total Classroom Teachers
16 teachers

School Rankings

Guin Foss Elementary School ranks within the top 30% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Guin Foss Elementary School is 0.53, 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.
This School
State Level (CA)
#2545 out of 9523 schools
(Top 30%)
45-49%
34%
50-54%
47%
55-59%
29%
Student-Teacher Ratio
25:1
21:1
Asian
9%
12%
Hispanic
65%
56%
Black
1%
5%
White
19%
20%
Two or more races
6%
6%
All Ethnic Groups
81%
0.53
(22-23)
28.1%
27.7%
Eligible for Free Lunch
44%
54%
Eligible for Reduced Lunch
17%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is Guin Foss Elementary School's ranking?
Guin Foss Elementary School is ranked #2545 out of 9,523 schools, which ranks it among the top 30% of public schools in California.
What schools are Guin Foss Elementary School often compared to?
Guin Foss Elementary Schoolis often viewed alongside schools like Ladera Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
45-49% of students have achieved math proficiency (compared to the 34% CA state average), while 50-54% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Guin Foss Elementary School?
395 students attend Guin Foss Elementary School.
What is the racial composition of the student body?
65% of Guin Foss Elementary School students are Hispanic, 19% of students are White, 9% of students are Asian, 6% of students are Two or more races, and 1% of students are Black.
What is the student-teacher ratio of Guin Foss Elementary School?
Guin Foss Elementary School has a student ration of 25:1, which is higher than the California state average of 21:1.
What grades does Guin Foss Elementary School offer ?
Guin Foss Elementary School offers enrollment in grades Kindergarten-5
What school district is Guin Foss Elementary School part of?
Guin Foss Elementary School is part of Tustin Unified School District.

School Calendar

View the Guin Foss Elementary School yearly calendar below. Note key dates such as:

Event
Date
First Day Back from Winter Recess
January 05, 2027 (Tuesday)
Last day of School
May 28, 2027 (Friday)
First day of School
August 12, 2027 (Thursday)

School Reviews

5   10/10/2025
Our kids have attended a few different schools in the area, both private and public, and Guin Foss is our favorite. It has a great community feel and the best teachers!
- Posted by Parent - Cindy
1   10/10/2025
Guin Foss was such a great school. I have fond memories and feel like I learned so much. Love the teachers.
- Posted by Student/Alumni - Krista

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Quick Facts (2026-27)

  • Grades: Kindergarten-5
  • Enrollment: 395 students
  • Student-Teacher Ratio: 25:1
  • Minority Enrollment: 81%
  • : Top 30%
  • : 45-49% (Top 30%)
  • : 50-54% (Top 50%)
  • : 55-59% (Top 10%)
  • : Guin Foss Elementary serves the northwest part of Tustin, CA, covering an area of approximately 1.6 square miles. Most families live within a 5-10 minute drive, with the furthest edge of the attendance zone being about 2 miles from the school.
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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