Rim of the World High School is a public secondary school located in Lake Arrowhead, California, at the top of the mountain overlooking the San Bernardino Valley. It is part of the Rim of the World Unified School District and is the only comprehensive 9–12 high school in the system.
Serving 860 students in grades 9-12, Rim Of The World 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 15-19% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 47% (which is equal to the California state average of 47%).
The student-teacher ratio of 20:1 is lower than the California state level of 21:1.
Minority enrollment is 49% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 860 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 49%
- Graduation Rate: 93% (Top 30% in CA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 15-19% (Btm 50%)
- Reading Proficiency: 47% (Top 50%)
- Science Proficiency: 15-19% (Btm 50%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Rim Of The World High School's student population of 860 students has declined by 7% over five school years.
The teacher population of 44 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
860 students
Total Classroom Teachers
44 teachers
Year Founded
1980
School Calendar
School Rankings
Rim Of The World High School ranks within the bottom 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Rim Of The World High School is 0.54, 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
#5571 out of 9523 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
15-19%
34%
Reading/Language Arts Test Scores (% Proficient)
47%
47%
Science Test Scores (% Proficient)
15-19%
29%
Student-Teacher Ratio
20:1
21:1
American Indian
1%
1%
Asian
1%
12%
Hispanic
45%
56%
White
51%
20%
Two or more races
2%
6%
All Ethnic Groups
Graduation Rate
93%
87%
Eligible for Free Lunch
52%
54%
Eligible for Reduced Lunch
9%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Lachlan
Frequently Asked Questions
What is Rim Of The World High School's ranking?
Rim Of The World High School is ranked #5571 out of 9,523 schools, which ranks it among the bottom 50% of public schools in California.
What schools are Rim Of The World High School often compared to?
Rim Of The World High Schoolis often viewed alongside schools like Walnut High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
15-19% of students have achieved math proficiency (compared to the 34% CA state average), while 47% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Rim Of The World High School?
The graduation rate of Rim Of The World High School is 93%, which is higher than the California state average of 87%.
How many students attend Rim Of The World High School?
860 students attend Rim Of The World High School.
What is the racial composition of the student body?
51% of Rim Of The World High School students are White, 45% of students are Hispanic, 2% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Rim Of The World High School?
Rim Of The World High School has a student ration of 20:1, which is lower than the California state average of 21:1.
What grades does Rim Of The World High School offer ?
Rim Of The World High School offers enrollment in grades 9-12
What school district is Rim Of The World High School part of?
Rim Of The World High School is part of Rim Of The World Unified School District.
School Reviews
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