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C−

Cucamonga Elementary School District

Public school districtGrades K–8

Serves Ontario, and parts of Fontana and Rancho Cucamonga.

Ontario’s School Grade B− better than 51% of California school districts

Students
2,357
Schools
4
Spent per student
$24,442
CA $21,206
Students per teacher
19:1
Free or reduced lunch
77%
The gist

What stands out about Cucamonga Elementary School District

  • Its letter, C−: results better than 23% of California districts
  • Math proficiency 16 pts below the state
  • Reading proficiency 14 pts below the state
  • Spends 15% more per student than the CA average
  • 19 students per teacher
The School Grade

What this district adds to its towns’ grade

C−: better than 23% of the 1,872 California school districts we grade. Each town’s School Grade weighs its districts by the students they test; spending and class size are shown but don’t count.

Test scoresReading and math well below the state, 2021–22
C
The town it serves, and its School Grade
B−Ontario 187,013

How TownRatings grades schools →

Where would my kid go?

The school path for Ontario. Grade by grade →

K–622 schoolsMountain View Elementary School District
7–89 middle schoolsOntario-Montclair School District
9–123 high schoolsChaffey Joint Union High School District

Test scores vs. CA

2021–22
Math proficiency17%
State average 33.1% · 1,551 students tested
Reading / language arts33%
State average 46.7% · 1,543 students tested

97% of students in the tested grades sat the 2022 tests.

Graduation rate 90% at Chaffey Joint Union High, which runs the high school (state 86.2%) · class of 2023.

Reported to the U.S. Department of Education (EDFacts via ED Data Express and the Urban Institute); the newest year for each measure.

Where the money goes

fiscal 2024
$24,442 per student · 15% above CA
Spending
Classroom instruction 65%Support & administration 31%Other 4%
Paid for by
Local (mostly property tax) 80%State 13%Federal 7%

Fiscal 2022–24 includes federal pandemic relief (ESSER).

U.S. Census Bureau, Annual Survey of School System Finances.

Enrollment over time
2,359’20
2,394’21
2,299’22
2,296’23
2,357’24

About steady since 2020–21.

Students
Hispanic 67%Black 17%White 7%Asian 5%Two or more races 4%Native Hawaiian/Pacific Islander <1%American Indian/Alaska Native <1%

Schools in the district

4 public schools. Each public school’s letter compares its own 2020–21 reading and math results with California’s other public schools.

Ontario Center
Elementary · Grades K–5 · Ontario
585 students20:1
Los Amigos Elementary
Elementary · Grades K–5 · Rancho Cucamonga
550 students20:1
Cucamonga Elementary
Elementary · Grades K–5 · Rancho Cucamonga
452 students19:1
Rancho Cucamonga Middle
Middle · Grades 6–8 · Rancho Cucamonga
770 students18:1

Nearby districts

Compare spending and schools next door.

Chaffey Joint Union High School DistrictChino, Upland
$18,582per student
Upland Unified School DistrictUpland
$19,336per student
Chino Valley Unified School DistrictChino
$15,509per student
Corona-Norco Unified School DistrictEastvale
$18,317per student

District facts: U.S. Department of Education (NCES school directory 2024–25 and district boundaries) and the U.S. Census Bureau’s school finance survey. Test scores and graduation: state results reported to the U.S. Department of Education (EDFacts via ED Data Express and the Urban Institute). The letters are our own summary, graded within California.