Castle Rock Elementary School Calendar 2026 - 2027 & Academic Info

Total Students684

Student/Teacher26.11:1

Math Prof.70.5%

Reading Prof.71.19%

School Information

Charter SchoolNo

Magnet SchoolNo

Virtual SchoolNo

CountyLos Angeles

School DistrictWalnut Valley Unified School District

Principal / AdminElizabeth Chang(909) 598-5006

Founded1980

Free/Reduced Lunch26.61% Eligible

Acceptance Rate100%

Student Demographics

White2.9%

Hispanic19.3%

Black1.5%

Asian70.2%

Native American0.1%

Pacific Islander0.6%

Two Or More5.4%

Gender Distribution

52.9%

47.1%

Male

Female

Students per Grade

Grade 176

Grade 2102

Grade 3101

Grade 4137

Grade 5137

School Calendar 2026-2027

August 2026

Academic Schedule • 2026-2027

Holiday Event

Sun

Mon

Tue

Wed

Thu

Fri

Sat

26

27

28

29

30

31

1

2

3

4

5

6

7

8

9

10

First Day of SchoolStart of First Grading Period

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Key Dates & Holidays

2026-2027

Aug10
First Day of School
Aug 10, 2026
Aug10
Start of First Grading Period
Aug 10, 2026
Sep07
Labor Day Holiday
Sep 7, 2026
Oct09
End of First Quarter
Oct 9, 2026
Nov11
Veterans Day Holiday
Nov 11, 2026
Nov23
Thanksgiving Recess Break
Nov 23, 2026 - Nov 27, 2026
Dec17
End of First Semester
Dec 17, 2026
Dec17
Modified School Day (Semester End)
Dec 17, 2026
Dec21
Winter Recess
Dec 21, 2026 - Dec 31, 2026
Jan01
New Year's Day Holiday
Jan 1, 2027
Jan04
Student Holiday / Teacher Work Day
Jan 4, 2027
Jan05
Start of Second Semester
Jan 5, 2027
Jan18
Martin Luther King Jr. Day Holiday
Jan 18, 2027
Feb15
Presidents Day Holiday
Feb 15, 2027
Mar05
End of Third Quarter
Mar 5, 2027
Mar05
Student Holiday / Staff Development Day
Mar 5, 2027
Mar26
Spring Recess Break Begins
Mar 26, 2027 - Mar 31, 2027
Apr02
Spring Recess Break Ends
Apr 2, 2027
May27
Last Day of School
May 27, 2027
May27
Modified School Day (Last Day)
May 27, 2027
May27
End of Second Semester
May 27, 2027
May31
Memorial Day Holiday
May 31, 2027

Nurturing Young Minds in Diamond Bar

This public institution, part of the Walnut Valley Unified School District, serves students from Kindergarten through 5th grade. Families often look for schools offering diverse extracurriculars, such as sports like basketball and soccer, or enriching programs like STEM and robotics clubs. Opportunities to explore visual arts and participate in track may also be available.

Your Gateway to Educational Excellence

Discover a supportive learning environment designed for foundational academic growth. Parents can find important dates and holidays by checking the academic calendar featured on this page. Our school is committed to providing a well-rounded educational experience for every child.

Frequently Asked Questions

What types of extracurricular activities are typically available for students?

While specific programs vary each year, students often have access to clubs like robotics and athletics such as soccer. We recommend contacting the administration directly for the current list of activities.

What is the grade range served by Castle Rock Elementary School?

Castle Rock Elementary School serves students from Kindergarten through 5th grade.

Which school district is this elementary school a part of?

This elementary school is part of the Walnut Valley Unified School District.

How can parents stay informed about school events and holidays?

Parents can stay informed about school events and holidays by referring to the academic calendar available on this page.

Community Reviews

Real experiences from parents, students, and alumni. Your feedback helps families make informed decisions about Castle Rock Elementary School.

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Other Schools in Walnut Valley Unified School District

Public

Castle Rock Elementary School

School Information

Student Demographics

Gender Distribution

Students per Grade

School Calendar 2026-2027

August 2026

Castle Rock Elementary School

Academic Calendar (2026-2027)

July 2026

August 2026

September 2026

October 2026

November 2026

December 2026

January 2027

February 2027

March 2027

April 2027

May 2027

June 2027

Key Dates & Holidays

Key Dates & Holidays

First Day of School

Start of First Grading Period

Labor Day Holiday

End of First Quarter

Veterans Day Holiday

Thanksgiving Recess Break

End of First Semester

Modified School Day (Semester End)

Winter Recess

New Year's Day Holiday

Student Holiday / Teacher Work Day

Start of Second Semester

Martin Luther King Jr. Day Holiday

Presidents Day Holiday

End of Third Quarter

Student Holiday / Staff Development Day

Spring Recess Break Begins

Spring Recess Break Ends

Last Day of School

Modified School Day (Last Day)

End of Second Semester

Memorial Day Holiday

Nurturing Young Minds in Diamond Bar

Your Gateway to Educational Excellence

Frequently Asked Questions

Community Reviews

Share Your Experience

Recent Feedback

Other Schools in Walnut Valley Unified School District

Chaparral Middle School

Collegewood Elementary School

Cyrus J. Morris Elementary School

Diamond Bar High School

Evergreen Elementary School

Leonard G. Westhoff Elementary School