2450 Grant St.
Concord, CA 94520
(School attendance zone shown in map)
Rating
2/
10
Bottom 50%
Mt. Diablo High School serves 1,567 students in grades 9-12.
Mt. Diablo High School placed in the bottom 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%) for the 2018-19 school year.
The percentage of students achieving proficiency in math is 15% (which is lower than the California state average of 40%) for the 2018-19 school year. The percentage of students achieving proficiency in reading/language arts is 36% (which is lower than the California state average of 51%) for the 2018-19 school year.
The student:teacher ratio of 20:1 is lower than the California state level of 22:1.
Minority enrollment is 96% of the student body (majority Hispanic), which is higher than the California state average of 78% (majority Hispanic).

Quick Stats (2023)

  • Grades: 9-12
  • Enrollment: 1,567 students
  • Student:Teacher Ratio: 20:1
  • Minority Enrollment: 96%
  • Graduation Rate
    : 81% (Btm 50% in CA)
  • Overall Testing Rank
    : Bottom 50%
  • Math Proficiency
    : 15% (Btm 50%)
  • Reading Proficiency
    : 36% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

School Overview

Mt. Diablo High School's student population of 1,567 students has grown by 16% over five school years.
The teacher population of 78 teachers has grown by 8% over five school years.
Grades Offered
Grades 9-12
Total Students
1,567 students
This chart display total students of Mt. Diablo High School by year, with the latest 2020-21 school year data.
Gender %
This chart display gender of Mt. Diablo High School
Total Classroom Teachers
78 teachers
This chart display the total teachers of Mt. Diablo High School by year, with the latest 2020-21 school year data.
Students by Grade
This chart display the students of Mt. Diablo High School by grade.

School Rankings

Mt. Diablo High School is ranked within the bottom 50% of all 9,659 schools in California (based off of combined math and reading proficiency testing data) for the 2018-19 school year.
The diversity score of Mt. Diablo High School is 0.46, 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.
Definition of Terms 2020-2021 School Year Data
This School
State Level (CA)
Overall Testing Rank
#7883 out of 9659 schools
(Bottom 50%)
This chart display the overall school rank of Mt. Diablo High School, with the latest 2018-19 school year data.
Math Test Scores (% Proficient)
15%
40%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Mt. Diablo High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in California by year, with the latest 2018-19 school year data.
Reading/Language Arts Test Scores (% Proficient)
36%
51%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Mt. Diablo High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of California by year, with the latest 2018-19 school year data.
Student : Teacher Ratio
20:1
22:1
This chart display the student teacher ratio of Mt. Diablo High School and the public school average student teacher ratio of California by year, with the latest 2020-21 school year data.
American Indian
n/a
n/a
This chart display the percentage of American Indian students in Mt. Diablo High School and percentage of American Indian public school students in California by year, with the latest 2013-14 school year data.
Asian
12%
12%
This chart display the percentage of Asian students in Mt. Diablo High School and the percentage of Asian public school students in California by year, with the latest 2020-21 school year data.
Hispanic
72%
56%
This chart display the percentage of Hispanic students in Mt. Diablo High School and the percentage of Hispanic public school students in California by year, with the latest 2020-21 school year data.
Black
7%
5%
This chart display the percentage of Black students in Mt. Diablo High School and the percentage of Black public school students in California by year, with the latest 2020-21 school year data.
White
4%
22%
This chart display the percentage of White students in Mt. Diablo High School and the percentage of White public school students in California by year, with the latest 2020-21 school year data.
Hawaiian
1%
n/a
This chart display the percentage of Hawaiian students in Mt. Diablo High School and the percentage of Hawaiian public school students in California by year, with the latest 2014-15 school year data.
Two or more races
4%
5%
This chart display the percentage of students of two or more races in Mt. Diablo High School and the percentage of public school students of two or more races in California by year, with the latest 2020-21 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Mt. Diablo High School.
This chart display the percentage breakdown of public school students of all ethnic groups in CA.
Diversity Score
0.46
This chart display the diversity score of Mt. Diablo High School and the public school average diversity score of California by year, with the latest 2020-21 school year data.
Graduation Rate
(19-20)
81%
85%
This chart display graduation rate of Mt. Diablo High School and public school graduation rate of California by year, with the latest 2019-20 school year data.
Eligible for Free Lunch
60%
53%
This chart display the percentage of students who is eligible for free lunch in Mt. Diablo High School and the percentage of public school students who is eligible for free lunch in California by year, with the latest 2020-21 school year data.
Eligible for Reduced Lunch
5%
6%
This chart display the percentage of students who is eligible for reduced lunch in Mt. Diablo High School and the percentage of public school students who is eligible for reduced lunch in California by year, with the latest 2020-21 school year data.
Source: 2020-2021 (latest school year available) National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What percent of students have achieved state testing proficiency in math and reading?

15% of students have achieved math proficiency (compared to the 40% CA state average), while 36% of students have achieved reading proficiency (compared to the 51% CA state average).

What is the graduation rate of Mt. Diablo High School?

The graduation rate of Mt. Diablo High School is 81%, which is lower than the California state average of 85%.

How many students attend Mt. Diablo High School?

1,567 students attend Mt. Diablo High School.

What is the racial composition of the student body?

72% of Mt. Diablo High School students are Hispanic, 12% of students are Asian, 7% of students are Black, 4% of students are White, 4% of students are Two or more races, and 1% of students are Hawaiian.

What is the student:teacher ratio of Mt. Diablo High School?

Mt. Diablo High School has a student ration of 20:1, which is lower than the California state average of 22:1.

What grades does Mt. Diablo High School offer ?

Mt. Diablo High School offers enrollment in grades 9-12

What school district is Mt. Diablo High School part of?

Mt. Diablo High School is part of MT. Diablo Unified School District.

School Reviews

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Quick Stats (2023)

  • Grades: 9-12
  • Enrollment: 1,567 students
  • Student:Teacher Ratio: 20:1
  • Minority Enrollment: 96%
  • Graduation Rate
    : 81% (Btm 50%)
  • Overall Testing Rank
    : Bottom 50%
  • Math Proficiency
    : 15% (Btm 50%)
  • Reading Proficiency
    : 36% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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