Serving 291 students in grades 9-12, Delta High School ranks in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤5% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 10-14% (which is lower than the California state average of 47%).
The student-teacher ratio of 21:1 is equal to the California state level of 21:1.
Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- School Type: Alternative school
- Grades: 9-12
- Enrollment: 291 students
- Student-Teacher Ratio: 21:1
- Minority Enrollment: 96%
- Graduation Rate: 93% (Top 30% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 10-14% (Btm 50%)
- Science Proficiency: ≤5% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Delta High School ranks among the top 20% of public schools in California for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
Delta High School's student population of 291 students has declined by 21% over five school years.
The teacher population of 14 teachers has grown by 7% over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
291 students
Total Classroom Teachers
14 teachers
School Calendar
School Rankings
Delta High School ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Delta High School is 0.12, 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
#9367 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
34%
Reading/Language Arts Test Scores (% Proficient)
10-14%
47%
Science Test Scores (% Proficient)
≤5%
29%
Student-Teacher Ratio
21:1
21:1
American Indian
1%
1%
Asian
n/a
12%
Hispanic
94%
56%
Black
1%
5%
White
4%
20%
Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups
Graduation Rate
93%
87%
Eligible for Free Lunch
77%
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 Delta High School's ranking?
Delta High School is ranked #9367 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 34% CA state average), while 10-14% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Delta High School?
The graduation rate of Delta High School is 93%, which is higher than the California state average of 87%.
How many students attend Delta High School?
291 students attend Delta High School.
What is the racial composition of the student body?
94% of Delta High School students are Hispanic, 4% of students are White, 1% of students are American Indian, and 1% of students are Black.
What is the student-teacher ratio of Delta High School?
Delta High School has a student ration of 21:1, which is equal to the California state average of 21:1.
What grades does Delta High School offer ?
Delta High School offers enrollment in grades 9-12
What school district is Delta High School part of?
Delta High School is part of Santa Maria Joint Union High School District.
School Reviews
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