Schools by Reading Proficiency in Pomona Unified (2025)

Schools ranked by the share of tested students proficient or above in reading/language arts (EDFacts, all students). Listed with official data; 33 schools in Pomona Unified, California. Rank positions shown on each profile are within United States and California.

#	School	Sector	Reading · math	Success Index (US)	Key result	Students
1	Pantera Elementary Diamond Bar · Elementary · Grades K–6	Public	77% · 72%	69.7 Top 25%	72% Math proficiency	512
2	Diamond Ranch High Pomona · High · Grades 9–12	Public	71% · 36%	42.6 Lower 50%	36% Math proficiency	1,542
3	Armstrong Elementary Diamond Bar · Elementary · Grades K–6	Public	67% · 42%	49.8 Lower 50%	42% Math proficiency	251
4	Ranch Hills Elementary Pomona · Elementary · Grades K–6	Public	63% · 54%	54.2 Top 50%	54% Math proficiency	449
5	Golden Springs Elementary Diamond Bar · Elementary · Grades K–6	Public	57% · 52%	46.1 Lower 50%	52% Math proficiency	388
6	Lorbeer Middle Diamond Bar · Middle · Grades 7–8	Public	54% · 36%	37.0 Lower 50%	36% Math proficiency	688
7	Cortez Elementary Pomona · Elementary · Grades K–8	Public	47% · 39%	29.1 Lower 50%	39% Math proficiency	607
8	Simons Middle Pomona · Middle · Grades 6–8	Public	43% · 21%	20.1 Lower 50%	21% Math proficiency	578
9	Pomona High Pomona · High · Grades 9–12	Public	43% · 17%	21.1 Lower 50%	17% Math proficiency	993
10	Ganesha High Pomona · High · Grades 9–12	Public	43% · 11%	17.9 Lower 50%	11% Math proficiency	895
11	Allison Elementary Pomona · Elementary · Grades K–6	Public	42% · 37%	25.4 Lower 50%	37% Math proficiency	427
12	Roosevelt Elementary Pomona · Elementary · Grades K–6	Public	42% · 36%	24.6 Lower 50%	36% Math proficiency	529
13	Lexington Elementary Pomona · Elementary · Grades K–8	Public	40% · 45%	29.9 Lower 50%	45% Math proficiency	537
14	Lopez Elementary Pomona · Elementary · Grades K–6	Public	40% · 26%	17.9 Lower 50%	26% Math proficiency	394
15	Marshall Middle Pomona · Middle · Grades 6–8	Public	40% · 18%	22.5 Lower 50%	18% Math proficiency	249
16	Garey High Pomona · High · Grades 9–12	Public	39% · 17%	17.8 Lower 50%	17% Math proficiency	1,567
17	Philadelphia Elementary Pomona · Elementary · Grades K–6	Public	38% · 23%	18.9 Lower 50%	23% Math proficiency	535
18	Westmont Elementary Pomona · Elementary · Grades K–6	Public	37% · 37%	26.5 Lower 50%	37% Math proficiency	327
19	La Verne Science and Technology Charter Pomona · Elementary · Grades K–6	Charter	37% · 27%	23.4 Lower 50%	27% Math proficiency	270
20	Kellogg Polytechnic Elementary Pomona · Elementary · Grades K–6	Public	37% · 27%	21.3 Lower 50%	27% Math proficiency	302
21	Lincoln Elementary Pomona · Elementary · Grades K–6	Public	37% · 27%	18.6 Lower 50%	27% Math proficiency	345
22	Emerson Middle Pomona · Middle · Grades 6–8	Public	37% · 15%	14.6 Lower 50%	15% Math proficiency	664
23	Madison Elementary Pomona · Elementary · Grades K–6	Public	36% · 29%	17.4 Lower 50%	29% Math proficiency	382
24	Harrison Elementary Pomona · Elementary · Grades K–8	Public	36% · 28%	19.5 Lower 50%	28% Math proficiency	328
25	San Jose Elementary Pomona · Elementary · Grades K–8	Public	36% · 27%	21.6 Lower 50%	27% Math proficiency	511
26	Decker Elementary Pomona · Elementary · Grades K–6	Public	36% · 26%	23.0 Lower 50%	26% Math proficiency	437
27	Alcott Elementary Pomona · Elementary · Grades K–6	Public	34% · 23%	15.4 Lower 50%	23% Math proficiency	606
28	Vejar Elementary Pomona · Elementary · Grades K–8	Public	33% · 23%	14.9 Lower 50%	23% Math proficiency	741
29	Fremont Academy of Engineering and Design Pomona · High · Grades 7–12	Public	33% · 14%	15.7 Lower 50%	14% Math proficiency	597
30	Barfield Elementary Pomona · Elementary · Grades K–6	Public	32% · 17%	13.4 Lower 50%	17% Math proficiency	282
31	Washington Elementary Pomona · Elementary · Grades K–5	Public	31% · 27%	14.7 Lower 50%	27% Math proficiency	645
32	Arroyo Elementary Pomona · Elementary · Grades K–6	Public	28% · 22%	12.6 Lower 50%	22% Math proficiency	479
33	Kingsley Elementary Pomona · Elementary · Grades K–5	Public	26% · 18%	13.0 Lower 50%	18% Math proficiency	656

Pantera Elementary in Diamond Bar leads the 2025 list of schools by reading proficiency in Pomona Unified with Reading · math 77% · 72%. Of the 33 schools shown, 32 are public, 1 are charter.

For the full picture see the wider California schools by reading proficiency rankings, every school on the Pomona Unified page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best reading results school in Pomona Unified?

Pantera Elementary in Diamond Bar, California ranks first among schools by reading proficiency in Pomona Unified with Reading · math 77% · 72% (Enrollment: 512).

How are schools by reading proficiency in Pomona Unified ranked?

Schools ranked by the share of tested students proficient or above in reading/language arts (EDFacts, all students). Figures are the most recent published by the national authority and matched to the school directory.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.