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Below Average

#7484 of 9,539 schools in CA

Guin Foss Elementary

Elementary School · Tustin Unified

300 South C St., Tustin, CA 92780

Enrollment

416

Student-Teacher

27.7:1

Score

4.9

Grades

Kindergarten – 5th

Data vintage2022-23

How this school compares

California schools

#7,484 of 9,539

In Tustin

#19 of 26

public schools

In district

#21 of 28

Tustin Unified

Equity

8.6 / 10

Excellent

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Guin Foss Elementary

4.9/10

Elementary School in Tustin · grades Kindergarten – 5th. Start here, then compare fit against nearby and district options.

Learning Corner

Nearby

0.2 mi away. Use as a geographic alternative in the same move search.

Grace Harbor School

6.7/10

0.3 mi away. Use as a geographic alternative in the same move search.

About Guin Foss Elementary

Guin Foss Elementary is a public elementary school in Tustin, CA, part of Tustin Unified. Guin Foss Elementary serves approximately 416 students, and covers grades Kindergarten-5th, and has a 27.7:1 student-teacher ratio. Guin Foss Elementary has a current MySchoolScout rating of 4.9 out of 10 and ranks #7,484 of 9,539 schools in CA.

Structured state assessment records for Guin Foss Elementary show 65% math proficiency (multi-year average, 2009-2024) and 65% reading/ELA proficiency (multi-year average, 2009-2024).

How it compares0.6 pts below district
  • This school 4.9 · Below Average
  • District avg 5.5
  • CA avg 6.2

What Parents Should Know

Guin Foss Elementary runs 27.7:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress3.8Needs Improvement50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data12
Annual Change-2.1 pts/yr
Data Period2009–2024
TrendDeclining
Academics8.5Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency54% (2024 CAASPP)
Reading/ELA Proficiency53.2% (2024 CAASPP)
Math vs. State Avg+8.3 pts
Reading vs. State Avg+10.4 pts
Overall Proficiency54% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)42% (model expectation from 2024 CAASPP)
vs. Expected+11.2 pts
Adjusted Percentile77th
Resources & Environment2.5Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio27.7:1
Per-Pupil Spending$15,477
Chronic Absenteeism26.7%

Guin Foss Elementary — Students at Guin Foss Elementary score 54% proficient, which is above what's typical for similar communities (expected: 42%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

56.7%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 65.0% (multi-year average, 2009-2024)
School
State
39.4% (2024 CAASPP)
ELA Proficiency 64.8% (multi-year average, 2009-2024)
School
State
45.3% (2024 CAASPP)

Based on 30 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2009
Math
82%
ELA
76%
2010
Math
86%
ELA
77%
2011
Math
81%
ELA
78%
2012
Math
89%
ELA
77%
2014
Math
57%
ELA
62%
2015
Math
67%
ELA
67%
2016
Math
65%
ELA
66%
2017
Math
65%
ELA
71%
2018
Math
61%
ELA
67%
2019
Math
61%
ELA
67%
2022
Math
46.1%
ELA
51.2%
2024
Math
53.9%
ELA
53.2%

Source: EdFacts (NCES) and state assessment data. Growth score: 3.8/10.

How Guin Foss Elementary Compares

See how Guin Foss Elementary performs across key quality dimensions compared to state benchmarks.

Overall Score
4.9/10
22th percentile in CA
Academic
8.5/10
Excellent
Growth
3.8/10
Needs Improvement
Environment
2.5/10
Needs Improvement
Gifted & Talented
Yes
Program available

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
57%
Teaching Staff
28:1 student-teacher ratio
15 teachers
Chronic Absenteeism
Students missing 15+ days per year (SY 2022-23)
26.7%

Programs & Offerings

Gifted & Talented Program Available
This school offers a gifted and talented program for qualifying students. · CRDC 2021-22

Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more

Location

300 South C St., Tustin, CA 92780

Nearby Alternatives

Families considering Guin Foss Elementary may also want to explore other elementary schools in the area. FAIRMONT PRIVATE SCHOOL, NORTH TUSTIN CAMPUS (rated 7.5/10, 0.3 miles away, in nearby North Tustin), which scores notably higher. Another option is GRACE HARBOR SCHOOL (rated 6.7/10, 0.3 miles away), which scores notably higher. Additionally, RED HILL LUTHERAN SCHOOL (rated 6.0/10, 1.0 miles away), which scores notably higher. For more schools in Tustin, see our Tustin schools guide .

Nearby Schools

20 within 1.0 mi
School Distance Rating
LEARNING CORNER North Tustin 0.2 mi
GRACE HARBOR SCHOOL Tustin 0.3 mi 6.7
FOOTHILL MONTESSORI SCHOOL Santa Ana 0.3 mi
Fairmont Private Schools Santa Ana 0.3 mi
FAIRMONT PRIVATE SCHOOL, NORTH TUSTIN CAMPUS North Tustin 0.3 mi 7.5
Barbara Benson Elementary Tustin 0.5 mi 4.5
Columbus Tustin Middle Tustin 0.6 mi 5.8
Loma Vista Elementary Tustin 0.7 mi 4.0
Grace Global Vision Tustin 0.8 mi
EDGEWOOD PREPRIMARY ACADEMY Tustin 0.9 mi
RED HILL LUTHERAN SCHOOL Tustin 1.0 mi 6.0
Red Hill Lutheran Tustin 1.0 mi
Hewes Middle Tustin 1.1 mi 6.5
Newport Avenue Preschool and Kindergarten Tustin 1.1 mi
The Prentice School North Tustin 1.2 mi
Tustin Connect Tustin 1.1 mi 8.1
Helen Estock Elementary Tustin 1.0 mi 2.5
Foothill High Tustin 1.1 mi 7.9
THE PRENTICE SCHOOL North Tustin 1.2 mi 8.5
Red Hill Elementary Santa Ana 1.0 mi 6.0

Neighborhood Census ACS (2019-2023)

Census data for ZIP 92780 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$98,647

Median Home Value

$832,200

Median Rent

$2,211/mo

Population

54,495

College Educated

35.5%

Homeownership

45.8%

Avg Commute

23.4 min

Poverty Rate

11.1%

Median Age

35.4

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Adams Elementary Santa Ana, CA 4.9
Alice Shaw Elementary Orcutt, CA 4.9
Alturas Elementary Alturas, CA 4.9
Anatola Avenue Elementary Lake Balboa, CA 4.9
Anderson Elementary Garden Grove, CA 4.9
Andrew Jackson Elementary Santa Ana, CA 4.9

Frequently Asked Questions

Common questions about Guin Foss Elementary

What grades does Guin Foss Elementary serve?

Guin Foss Elementary serves students in grades Kindergarten through 5th.

How many students attend Guin Foss Elementary?

Guin Foss Elementary has an enrollment of approximately 416 students.

What is the student-teacher ratio at Guin Foss Elementary?

The student-teacher ratio at Guin Foss Elementary is 27.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Guin Foss Elementary rank in CA?

Guin Foss Elementary ranks #7,484 of 9,539 schools in CA.

What is Guin Foss Elementary's MySchoolScout rating?

Guin Foss Elementary has a current MySchoolScout rating of 4.9 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Guin Foss Elementary?

Based on loaded state assessment records, Guin Foss Elementary has 65% math proficiency (multi-year average, 2009-2024) and 65% reading/ELA proficiency (multi-year average, 2009-2024).

Is Guin Foss Elementary a charter school?

No, Guin Foss Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Guin Foss Elementary a Title I school?

No, Guin Foss Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Guin Foss Elementary?

56.7% of students at Guin Foss Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
45 Car-Dependent
Bike Score
54 Bikeable

Powered by Walk Score

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 5th
Enrollment
416
Student-Teacher Ratio
27.7:1
Teachers (FTE)
15
Free/Reduced Lunch
56.7%
Type
regular
Setting
Large Suburb
County
Orange County
Chronic Absenteeism (SY 2022-23)
26.7%

District

Tustin Unified
District Enrollment
21,600
Schools in District
28
Per-Pupil Spending
$15,477
District Rank
#21 of 28

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