Serving 341 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 33%). 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 lower than the California state level of 22:1.
Minority enrollment is 88% of the student body (majority Hispanic), which is higher than the California state average of 79% (majority Hispanic).
Quick Stats (2024-25)
- School Type: Alternative school / Magnet School
- Grades: 9-12
- Enrollment: 341 students
- Student:Teacher Ratio: 21:1
- Minority Enrollment: 88%
- Graduation Rate: 89% (Top 50% 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
School Overview
Delta High School's student population of 341 students has declined by 7% over five school years.
The teacher population of 16 teachers has grown by 23% over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
341 students
Gender %
Total Classroom Teachers
16 teachers
Students by Grade
School Calendar
School Rankings
Delta High School ranks within the bottom 50% of all 9,602 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Delta High School is 0.28, which is less than the diversity score at state average of 0.64. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#9426 out of 9602 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
33%
Reading/Language Arts Test Scores (% Proficient)
10-14%
47%
Science Test Scores (% Proficient)
≤5%
29%
Student : Teacher Ratio
21:1
22:1
American Indian
1%
1%
Asian
n/a
12%
Hispanic
84%
55%
Black
2%
5%
White
12%
21%
Hawaiian
n/a
n/a
Two or more races
1%
6%
All Ethnic Groups
Graduation Rate
89%
87%
Eligible for Free Lunch
76%
51%
Eligible for Reduced Lunch
2%
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 #9426 out of 9,602 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 33% 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 89%, which is higher than the California state average of 87%.
How many students attend Delta High School?
341 students attend Delta High School.
What is the racial composition of the student body?
84% of Delta High School students are Hispanic, 12% of students are White, 2% of students are Black, 1% of students are American Indian, and 1% of students are Two or more races.
What is the student:teacher ratio of Delta High School?
Delta High School has a student ration of 21:1, which is lower than the California state average of 22:1.
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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