Jefferson High School
Jefferson High School serves 1,144 students in grades 9-12.
Jefferson 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 top 50%) for the 2018-19 school year.
The percentage of students achieving proficiency in math is 24% (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 52% (which is higher than the California state average of 51%) for the 2018-19 school year.
The student:teacher ratio of 22:1 is lower than the California state level of 23:1.
Minority enrollment is 96% of the student body (majority Asian), which is higher than the California state average of 77% (majority Hispanic).
Jefferson High School's student population of 1,144 students has stayed relatively flat over five school years.
The teacher population of 51 teachers has stayed relatively flat over five school years.
Total Classroom Teachers
Students by Grade
Jefferson 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 Jefferson High School is 0.62, 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.
Definition of Terms 2017-2018 School Year Data
State Level (CA)
Overall Testing Rank
#5314 out of 9659 schools
Math Test Scores (% Proficient)
Reading/Language Arts Test Scores (% Proficient)
Student : Teacher Ratio
Two or more races
All Ethnic Groups
Eligible for Free Lunch
Eligible for Reduced Lunch
School Statewide Testing
School District Name
Source: 2017-2018 (latest school year available) NCES, CA Dept. of Education
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