Castle Rock Elementary School
Castle Rock Elementary School is a public primary school in Diamond Bar, CA, serving grades K–5, rated A+, with 684 students and a 26.1:1 student-teacher ratio.
In 2024-2025, the share of students meeting the state standard was 71% in English Language Arts, 70% in Math and 59% in Science.
A+TopHap school rating
- Rating
- A+
- Grades
- K–5
- Enrollment
- 684
- Students per teacher
- 26.1:1
- Level
- Primary
- Type
- Public · Regular
2024-2025 testing year
State test results
Share of students meeting or exceeding the state standard.
English Language Arts71%
Math70%
Science59%
Academics and programs
- IB programmes
- Primary
- Open enrollment
- No
Student body
Asian70%
Hispanic19%
Two or more races5%
White3%
Black1%
Pacific Islander1%
Native American0%
- Male / female
- 53% / 47%
- Free or reduced lunch
- 27%
- Enrollment change vs prior year
- +3.3%
- Prior-year enrollment
- 662
Homes assigned to this school
2,981 homes in TopHap's records are assigned to Castle Rock Elementary School. These 40 are sampled evenly down the value ranking, so they span the whole zone rather than just its most expensive streets.
- 2868 Water Course DrDiamond Bar, CA 917656 bd · 7 ba · 7,333 ft² · built 2003$8.9M
- 23730 Falcons View DrDiamond Bar, CA 917656 bd · 8 ba · 8,507 ft² · built 2001$5.3M
- 2532 Braided Mane DrDiamond Bar, CA 917656 bd · 6 ba · 7,969 ft² · built 1995$4.2M
- 2828 Oak Knoll DrDiamond Bar, CA 917655 bd · 5 ba · 6,026 ft² · built 1997$3.5M
- 2838 Bentley WayDiamond Bar, CA 917656 bd · 6 ba · 7,385 ft² · built 1996$2.9M
- 2800 Shadow Canyon RdDiamond Bar, CA 917655 bd · 4 ba · 4,228 ft² · built 1977$2.6M
- 2461 Indian Creek RdDiamond Bar, CA 917655 bd · 3 ba · 3,959 ft² · built 1976$2.3M
- 21108 Willow Heights DrDiamond Bar, CA 917655 bd · 4 ba · 3,312 ft² · built 2015$2.1M
- 3155 Cherrydale DrDiamond Bar, CA 917654 bd · 3 ba · 3,522 ft² · built 1979$1.9M
- 20575 Crestline DrDiamond Bar, CA 917654 bd · 4 ba · 3,453 ft² · built 1996$1.8M
- 3216 Hawkwood RdDiamond Bar, CA 917654 bd · 3 ba · 2,712 ft² · built 1978$1.6M
- 3343 Falcon Ridge RdDiamond Bar, CA 917653 bd · 3 ba · 2,712 ft² · built 1978$1.6M
- 21576 Ambushers StDiamond Bar, CA 917654 bd · 3 ba · 2,712 ft² · built 1978$1.6M
- 3493 Falcon Ridge RdDiamond Bar, CA 917654 bd · 3 ba · 2,712 ft² · built 1978$1.5M
- 3486 Falcon Ridge RdDiamond Bar, CA 917653 bd · 3 ba · 2,796 ft² · built 1978$1.5M
- 21131 Chirping Sparrow RdDiamond Bar, CA 917654 bd · 3 ba · 2,544 ft² · built 1982$1.5M
- 21003 Cool Springs DrDiamond Bar, CA 917655 bd · 3 ba · 2,186 ft² · built 1963$1.4M
- 20869 Quail Run DrWalnut, CA 917893 bd · 3 ba · 2,186 ft² · built 1985$1.4M
- 20522 E Oak Meadow LnDiamond Bar, CA 917655 bd · 3 ba · 2,718 ft² · built 1997$1.3M
- 3123 Fallow Field DrDiamond Bar, CA 917654 bd · 3 ba · 1,949 ft² · built 1980$1.3M
- 2730 Sunbright DrDiamond Bar, CA 917654 bd · 2 ba · 2,017 ft² · built 1962$1.3M
- 21515 Ambushers StDiamond Bar, CA 917653 bd · 2 ba · 2,037 ft² · built 1978$1.3M
- 21040 Running Branch RdDiamond Bar, CA 917654 bd · 2 ba · 2,033 ft² · built 1983$1.2M
- 20939 Flapjack DrDiamond Bar, CA 917654 bd · 2 ba · 2,072 ft² · built 1964$1.2M
- 2955 Ohan CtDiamond Bar, CA 917654 bd · 3 ba · 1,949 ft² · built 1980$1.2M
- 20750 Timberline LnWalnut, CA 917893 bd · 3 ba · 1,755 ft² · built 1989$1.1M
- 20758 E Mill LnWalnut, CA 917893 bd · 3 ba · 1,729 ft² · built 1987$1.1M
- 21106 Trigger LnDiamond Bar, CA 917654 bd · 3 ba · 1,829 ft² · built 1964$1.1M
- 2806 Eaglecrest PlWalnut, CA 917893 bd · 2 ba · 1,306 ft² · built 1989$1.1M
- 3603 Castle Rock RdDiamond Bar, CA 917654 bd · 2 ba · 1,724 ft² · built 1963$1M
- 20806 E Rocky Point LnWalnut, CA 917893 bd · 2 ba · 1,534 ft² · built 1987$1M
- 3173 Castle Rock RdDiamond Bar, CA 917653 bd · 2 ba · 1,300 ft² · built 1963$978K
- 20707 Aspenwood CtWalnut, CA 917893 bd · 3 ba · 1,546 ft² · built 1989$953K
- 21322 Cold Spring LnDiamond Bar, CA 917653 bd · 2 ba · 1,280 ft² · built 1963$936K
- 20827 E Rocky Point LnWalnut, CA 917893 bd · 2 ba · 1,306 ft² · built 1987$908K
- 20775 Timberline LnWalnut, CA 917893 bd · 2 ba · 1,306 ft² · built 1989$847K
- 20741 E Crest LnWalnut, CA 917892 bd · 2 ba · 999 ft² · built 1988$713K
- 20783 E Crest LnWalnut, CA 917892 bd · 2 ba · 912 ft² · built 1988$606K
- 2523 Blaze TrlDiamond Bar, CA 917653 bd · 3 ba · 3,680 ft² · built 1970
- , CA
School details
- Address
- 2975 Castle Rock Rd, Diamond Bar, CA 91765
- Phone
- (909) 598-5006
- Website
- wvusd.k12.ca.us
- Setting
- Suburb - Large
- Status
- Operational
- NCES ID
- 064128006833
School district
Walnut Valley Unified School District
- District rating
- A+
- Schools
- 15
- Students
- 14,004
- Spending per student
- $12,337
- Teachers (FTE)
- 554
- Grades
- K–12
Other schools in this district
Primary · 8
- Collegewood Elementary SchoolGrades K–5 · 606 studentsA
- Cyrus J. Morris Elementary SchoolGrades K–5 · 485 studentsA-
- Evergreen Elementary SchoolGrades K–5 · 709 studentsA+
- Maple Hill Elementary SchoolGrades K–5 · 556 studentsA+
- Quail Summit Elementary SchoolGrades K–5 · 696 studentsA
- Vejar Elementary SchoolGrades K–5 · 631 studentsA-
- Walnut Elementary SchoolGrades K–5 · 706 studentsA
- Westhoff Elementary SchoolGrades K–5 · 654 studentsA