Serving 771 students in grades 7-8, Pioneer Junior High School ranks in the top 30% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 48% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 60% (which is higher than the California state average of 47%).
The student-teacher ratio of 22:1 is higher than the California state level of 21:1.
Minority enrollment is 67% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (26-27)
- Grades: 7-8
- Enrollment: 771 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 67%
- Overall Testing Rank: Top 30% in CA
- Math Proficiency: 48% (Top 30%)
- Reading Proficiency: 60% (Top 30%)
- Science Proficiency: 38% (Top 30%)
- Attendance Zone: Pioneer Junior High's attendance zone encompasses the entire school district in Upland, CA, covering approximately 20.7 square miles. Most students live within a 5-10 minute drive from the school, with the furthest edge of the zone located about 6.4 miles away.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Pioneer Junior High School's student population of 771 students has grown by 5% over five school years.
The teacher population of 35 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 7-8
Total Students
771 students
Showing 2015–2025. Full 38-year historical data available below ↓
Total Classroom Teachers
35 teachers
Showing 2014–2025. Full 38-year historical data available below ↓
Year Founded
1958
School Calendar
School Rankings
Pioneer Junior High School ranks within the top 30% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Pioneer Junior High School is 0.67, 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
#2151 out of 9523 schools
(Top 30%)
(Top 30%)
Showing 2012–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
48%
34%
Showing 2012–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
60%
47%
Showing 2011–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
38%
29%
Student-Teacher Ratio
22:1
21:1
Showing 2014–2025. Full 38-year historical data available below ↓
Asian
13%
12%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
46%
56%
Showing 2015–2025. Full 38-year historical data available below ↓
Black
3%
5%
Showing 2015–2025. Full 38-year historical data available below ↓
White
33%
20%
Showing 2015–2025. Full 38-year historical data available below ↓
Two or more races
5%
6%
Showing 2015–2025. Full 17-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Chronically Absent Students
(22-23)14.3%
27.7%
Eligible for Free Lunch
36%
54%
Showing 2015–2025. Full 34-year historical data available below ↓
Eligible for Reduced Lunch
14%
8%
Showing 2015–2025. Full 27-year historical data available below ↓
School Statewide Testing
School District Name
Sports
School Mascot
49ers
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Profile last updated: 09/26/2026
Frequently Asked Questions
What is Pioneer Junior High School's ranking?
Pioneer Junior High School is ranked #2151 out of 9,523 schools, which ranks it among the top 30% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
48% of students have achieved math proficiency (compared to the 34% CA state average), while 60% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Pioneer Junior High School?
771 students attend Pioneer Junior High School.
What is the racial composition of the student body?
46% of Pioneer Junior High School students are Hispanic, 33% of students are White, 13% of students are Asian, 5% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Pioneer Junior High School?
Pioneer Junior High School has a student ration of 22:1, which is higher than the California state average of 21:1.
What grades does Pioneer Junior High School offer ?
Pioneer Junior High School offers enrollment in grades 7-8
What school district is Pioneer Junior High School part of?
Pioneer Junior High School is part of Upland Unified School District.
School Reviews
1 10/10/2025
This school is trash I disliked everyone who I came in contact with. I remember one time I got in trouble for getting up to throw something in the trash; The teachers are mean, the office staff are rude, and so are the aids. I wouldn't recommend sending your child here.
3 10/10/2025
A place where there is still a level of expectation. Effort and perseverance are required if you want success.
5 10/10/2025
good school.
Review Pioneer Junior High School. Reviews should be a few sentences in length. Please include any comments on:
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