Castle Rock Elementary
Diamond Bar, CA · Elementary School
Performance Overview
About This School
Castle Rock Elementary is a elementary school located in Diamond Bar, California. The school serves 646 students.
With a DataScore of 65/100 (B), Castle Rock Elementary performs above average compared to schools in California. Notably, the school is on an upward trend, showing meaningful improvement over the past three years.
27% of students qualify for free or reduced-price lunch, which is factored into the resource access component of the DataScore.
Frequently Asked Questions
Castle Rock Elementary has a DataScore of 65/100 (Grade B), based on academic proficiency (35%), growth trend (30%), and resource access (35%). This measures actual student outcomes, not school inputs.
Castle Rock Elementary has 646 students enrolled. The student-to-teacher ratio is 24.8:1.
Yes, Castle Rock Elementary is on an upward trend with a 3-year growth score of +32, showing meaningful academic improvement.
The DataScore (0-100, A-F) grades every US public school based on academic outcomes: proficiency rates (35%), 3-year growth trend (30%), graduation rate for high schools (20%), and resource access (15%). Unlike other ratings, it focuses on what students actually achieve.
Castle Rock Elementary is part of the Walnut Valley Unified in Diamond Bar, California. You can view all schools in this district and compare their performance on the district page.
DataScore is calculated from NCES proficiency rates, 3-year growth trends, graduation rates (high schools), and resource access indicators.