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Diamond Ranch High vs Lorbeer Middle

A head-to-head comparison of two schools in California, United States, 2.8 km apart, using official American 2025 data. The better value in each row is highlighted.

MeasureDiamond Ranch High
Pomona, California
Lorbeer Middle
Diamond Bar, California
Success Index (US)
43
Lower 50%
37
Lower 50%
State rank#520 of 1,343#603 of 1,334
National rank#10304 of 16,910#10452 of 15,369
SectorPublicPublic
TypeHighMiddle
Year rangeGrades 9โ€“12Grades 7โ€“8
Students1,542688
Enrollment1,542688
Free/reduced-price lunch78.7%74.3%
Students per teacher22.724.6
Reading proficiency71%54%
Math proficiency36%36%
cityPomonaDiamond Bar
stateCaliforniaCalifornia
Websiteโ€“โ€“

The verdict

  • โ€ขDiamond Ranch High scores higher on the Success Index (US) (42.6 vs 37.0).
  • โ€ขDiamond Ranch High does better on reading proficiency (71% vs 54%).
  • โ€ขLorbeer Middle does better on community advantage (fewer free/reduced-price lunch) (74.3% vs 78.7%).
  • โ€ขDiamond Ranch High does better on students per teacher (22.7 vs 24.6).
  • โ€ขDiamond Ranch High is the larger school with 1,542 students compared with 688.

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 Diamond Ranch High better than Lorbeer Middle?

On the Success Index (US), Diamond Ranch High ranks higher (42.6 vs 37.0 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 Diamond Ranch High and Lorbeer Middle?

About 2.8 km in a straight line, between Pomona and Diamond Bar in California.

Which has the better Enrollment?

Diamond Ranch High: 1,542. Lorbeer Middle: 688. Students enrolled in the latest NCES directory year.

How do Diamond Ranch High and Lorbeer Middle rank in California?

Diamond Ranch High is 520th of 1,343 and Lorbeer Middle is 603rd of 1,334 among high schools in California on the 2025 Success Index (US).