Chaparral Middle
🇺🇸 Official data · 2025Diamond Bar, California 91765 · Walnut Valley Unified
#105 of 1,334 middle schools in California
#1906 of 15,369 nationally
About Chaparral Middle
Chaparral Middle is a public middle located in Diamond Bar, in the Walnut Valley Unified school district of California, United States. It caters for Grades 6–8. In 2025 it enrolled 1,349 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 77.5 out of 100, placing it in the top 25% of middle schools in United States and 105th of 1,334 ranked middle schools in California. Its strongest component is math proficiency (93th percentile), and its weakest is students per teacher (1th percentile).
Other published figures: enrollment 1,349.
There are 10 schools in Diamond Bar; Chaparral Middle ranks 3rd of 10 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)77%
- Reading proficiency (30%)77%
- Community advantage (fewer free/reduced-price lunch) (25%)24.6%
- Students per teacher (15%)28.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Chaparral Middle by the official sources.
- Enrollment
- 1,349
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 24.6%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 28.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 77%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 77%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Chaparral Middle
Closest schools by straight-line distance, with their Success Index (US).
Maple Hill Elementary
Diamond Bar · Public elementary · Grades K–5
556 students · 623 m away
Quail Summit Elementary
Diamond Bar · Public elementary · Grades K–5
696 students · 683 m away
Evergreen Elementary
Diamond Bar · Public elementary · Grades K–5
709 students · 2.3 km away
Diamond Bar High
Diamond Bar · Public high · Grades 9–12
2,563 students · 2.4 km away
Lorbeer Middle
Diamond Bar · Public middle · Grades 7–8
688 students · 2.6 km away
Armstrong Elementary
Diamond Bar · Public elementary · Grades K–6
251 students · 2.9 km away
South Pointe Middle
Walnut · Public middle · Grades 6–8
979 students · 2.9 km away
Pantera Elementary
Diamond Bar · Public elementary · Grades K–6
512 students · 3.1 km away
Walnut Elementary
Walnut · Public elementary · Grades K–5
706 students · 3.4 km away
Castle Rock Elementary
Diamond Bar · Public elementary · Grades K–5
684 students · 3.4 km away
Similar schools
Public middle schools in California with a comparable Enrollment.
John Muir Middle
Burbank · Public middle · Grades 6–8
1,353 students
Richard Henry Dana Middle
San Pedro · Public middle · Grades 6–8
1,355 students
Rudecinda Sepulveda Dodson Middle
Rancho Palos Verdes · Public middle · Grades 6–8
1,337 students
Stauffer (Mary R.) Middle
Downey · Public middle · Grades 6–8
1,329 students
Valley View Middle
Simi Valley · Public middle · Grades 6–8
1,329 students
Ramona Middle
San Dimas · Public middle · Grades 6–8
1,371 students
Frequently asked questions
Is Chaparral Middle a good school?
Chaparral Middle has a Success Index (US) of 77.5 out of 100 (Top 25% of middle schools in United States) and ranks #105 of 1,334 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Chaparral Middle rank in California?
Chaparral Middle ranks #105 of 1,334 middle schools in California and #1906 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Chaparral Middle?
Chaparral Middle had 1,349 students in 2025.
Is Chaparral Middle a elementary school or a high school?
Chaparral Middle is classified as a middle covering Grades 6–8. It is a public school.
What other schools are near Chaparral Middle?
There are 10 schools within 15 km of Chaparral Middle; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.