Serving 563 students in grades 7-8, Delta Sierra Middle 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 7% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 24% (which is lower than the California state average of 47%).
The student-teacher ratio of 19:1 is lower than the California state level of 21:1.
Minority enrollment is 94% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 7-8
- Enrollment: 563 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 94%
- Overall Testing Rank: Bottom 50% in CA
- Math Proficiency: 7% (Btm 50%)
- Reading Proficiency: 24% (Btm 50%)
- Science Proficiency: 9% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Delta Sierra Middle School ranks among the top 20% of public schools in California for:
Category
Attribute
Diversity
Percent Eligible For Free Lunch
School Overview
Delta Sierra Middle School's student population of 563 students has stayed relatively flat over five school years.
The teacher population of 30 teachers has declined by 6% over five school years.
Grades Offered
Grades 7-8
Total Students
563 students
Total Classroom Teachers
30 teachers
School Rankings
Delta Sierra Middle 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 Sierra Middle School is 0.72, which is more 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
#8816 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
7%
34%
Reading/Language Arts Test Scores (% Proficient)
24%
47%
Science Test Scores (% Proficient)
9%
29%
Student-Teacher Ratio
19:1
21:1
American Indian
1%
1%
Asian
25%
12%
Hispanic
44%
56%
Black
16%
5%
White
6%
20%
Hawaiian
1%
n/a
Two or more races
7%
6%
All Ethnic Groups
Eligible for Free Lunch
83%
54%
Eligible for Reduced Lunch
9%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Delta Sierra Middle School's ranking?
Delta Sierra Middle School is ranked #8816 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Delta Sierra Middle School often compared to?
Delta Sierra Middle Schoolis often viewed alongside schools like Christa Mcauliffe Middle School, Delta Charter by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
7% of students have achieved math proficiency (compared to the 34% CA state average), while 24% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Delta Sierra Middle School?
563 students attend Delta Sierra Middle School.
What is the racial composition of the student body?
44% of Delta Sierra Middle School students are Hispanic, 25% of students are Asian, 16% of students are Black, 7% of students are Two or more races, 6% of students are White, 1% of students are American Indian, and 1% of students are Hawaiian.
What is the student-teacher ratio of Delta Sierra Middle School?
Delta Sierra Middle School has a student ration of 19:1, which is lower than the California state average of 21:1.
What grades does Delta Sierra Middle School offer ?
Delta Sierra Middle School offers enrollment in grades 7-8
What school district is Delta Sierra Middle School part of?
Delta Sierra Middle School is part of Lodi Unified School District.
In what neighborhood is Delta Sierra Middle School located?
Delta Sierra Middle School is located in the Sherwoods Manor neighborhood of Stockton, CA. There are 2 other public schools located in Sherwoods Manor.
School Calendar
View the Delta Sierra Middle School yearly calendar below. Note key dates such as:
Event
Date
Summer Break
June 22, 2026 (Monday)
Summer Break
June 23, 2026 (Tuesday)
Summer Break
June 24, 2026 (Wednesday)
Summer Break
June 25, 2026 (Thursday)
Summer Break
June 26, 2026 (Friday)
School Reviews
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