Serving 384 students in grades 9-12, Tranquillity 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 6-9% (which is lower than the California state average of 33%). The percentage of students achieving proficiency in reading/language arts is 20-24% (which is lower than the California state average of 47%).
The student:teacher ratio of 14:1 is lower than the California state level of 21:1.
Minority enrollment is 99% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 384 students
- Student:Teacher Ratio: 14:1
- Minority Enrollment: 99%
- Graduation Rate: 85-89% (Btm 50% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 6-9% (Btm 50%)
- Reading Proficiency: 20-24% (Btm 50%)
- Science Proficiency: 6-9% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Tranquillity High School ranks among the top 20% of public schools in California for:
Category
Attribute
Percent Eligible For Free Lunch
Student Attention
School Overview
Tranquillity High School's student population of 384 students has declined by 27% over five school years.
The teacher population of 27 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
384 students
Gender %
Total Classroom Teachers
27 teachers
School Rankings
Tranquillity 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 Tranquillity High School is 0.06, 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.
Overall Testing Rank
#8868 out of 9602 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
6-9%
33%
Reading/Language Arts Test Scores (% Proficient)
20-24%
47%
Science Test Scores (% Proficient)
6-9%
29%
Student : Teacher Ratio
14:1
21:1
American Indian
n/a
1%
Asian
1%
12%
Hispanic
97%
56%
Black
1%
5%
White
1%
20%
Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups
Graduation Rate
85-89%
87%
Eligible for Free Lunch
84%
54%
Eligible for Reduced Lunch
14%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Tranquillity High School's ranking?
Tranquillity High School is ranked #8868 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?
6-9% of students have achieved math proficiency (compared to the 33% CA state average), while 20-24% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Tranquillity High School?
The graduation rate of Tranquillity High School is 85-89%, which is lower than the California state average of 87%.
How many students attend Tranquillity High School?
384 students attend Tranquillity High School.
What is the racial composition of the student body?
97% of Tranquillity High School students are Hispanic, 1% of students are Asian, 1% of students are Black, and 1% of students are White.
What is the student:teacher ratio of Tranquillity High School?
Tranquillity High School has a student ration of 14:1, which is lower than the California state average of 21:1.
What grades does Tranquillity High School offer ?
Tranquillity High School offers enrollment in grades 9-12
What school district is Tranquillity High School part of?
Tranquillity High School is part of Golden Plains Unified School District.
School Reviews
5 1/3/2014
I have been hearing stories about the school closing up, due to not enough students. I was raised in Mendota before there High school even became. My whole family attended Tranquility Union High School and I am sad to hear it may close. Please reply :)
Review Tranquillity High School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
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