Serving 377 students in grades 6-8, Excelsior Middle School ranks in the top 50% of all schools in California for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 36% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 39% (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 54% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 377 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 54%
- Overall Testing Rank: Top 50% in CA
- Math Proficiency: 36% (Top 50%)
- Reading Proficiency: 39% (Btm 50%)
- Science Proficiency: 25-29% (Top 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Excelsior Middle School's student population of 377 students has declined by 25% over five school years.
The teacher population of 20 teachers has declined by 16% over five school years.
Grades Offered
Grades 6-8
Total Students
377 students
Total Classroom Teachers
20 teachers
School Calendar
School Rankings
Excelsior Middle School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Excelsior Middle School is 0.69, 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
#4431 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
36%
34%
Reading/Language Arts Test Scores (% Proficient)
39%
47%
Science Test Scores (% Proficient)
25-29%
29%
Student-Teacher Ratio
19:1
21:1
American Indian
1%
1%
Asian
8%
12%
Hispanic
30%
56%
Black
8%
5%
White
46%
20%
Hawaiian
2%
n/a
Two or more races
5%
6%
All Ethnic Groups
Chronically Absent Students
(22-23)25.7%
27.7%
Eligible for Free Lunch
29%
54%
Eligible for Reduced Lunch
5%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Excelsior Middle School's ranking?
Excelsior Middle School is ranked #4431 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Excelsior Middle School often compared to?
Excelsior Middle Schoolis often viewed alongside schools like Discovery Bay Elementary School, Timber Point Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
36% of students have achieved math proficiency (compared to the 34% CA state average), while 39% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Excelsior Middle School?
377 students attend Excelsior Middle School.
What is the racial composition of the student body?
46% of Excelsior Middle School students are White, 30% of students are Hispanic, 8% of students are Asian, 8% of students are Black, 5% of students are Two or more races, 2% of students are Hawaiian, and 1% of students are American Indian.
What is the student-teacher ratio of Excelsior Middle School?
Excelsior Middle School has a student ration of 19:1, which is lower than the California state average of 21:1.
What grades does Excelsior Middle School offer ?
Excelsior Middle School offers enrollment in grades 6-8
What school district is Excelsior Middle School part of?
Excelsior Middle School is part of Byron Union Elementary School District.
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