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Chino High vs Ontario High

A head-to-head comparison of two high schools in California, United States, 2.5 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureChino High
Chino, California
Ontario High
Ontario, California
Success Index (US)
27
Lower 50%
28
Lower 50%
State rank#927 of 1,343#895 of 1,343
National rank#14007 of 16,910#13745 of 16,910
SectorPublicPublic
TypeHighHigh
Year rangeGrades 9โ€“12Grades 9โ€“12
Students2,0771,994
Enrollment2,0771,994
Free/reduced-price lunch76.8%86.7%
Students per teacher22.121.9
Reading proficiency49%51%
Math proficiency24%27%
cityChinoOntario
stateCaliforniaCalifornia
Websiteโ€“โ€“

The verdict

  • โ€ขOntario High scores higher on the Success Index (US) (28.1 vs 26.8).
  • โ€ขOntario High does better on math proficiency (27% vs 24%).
  • โ€ขOntario High does better on reading proficiency (51% vs 49%).
  • โ€ขChino High does better on community advantage (fewer free/reduced-price lunch) (76.8% vs 86.7%).
  • โ€ขOntario High does better on students per teacher (21.9 vs 22.1).
  • โ€ขChino High is the larger school with 2,077 students compared with 1,994.

The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.

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Frequently asked questions

Is Chino High better than Ontario High?

On the Success Index (US), Ontario High ranks higher (28.1 vs 26.8 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.

How far apart are Chino High and Ontario High?

About 2.5 km in a straight line, between Chino and Ontario in California.

Which has the better Enrollment?

Chino High: 2,077. Ontario High: 1,994. Students enrolled in the latest NCES directory year.

How do Chino High and Ontario High rank in California?

Chino High is 927th of 1,343 and Ontario High is 895th of 1,343 among high schools in California on the 2025 Success Index (US).