Largest Schools in Riverside Unified (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 42 schools in Riverside Unified, California. Rank positions shown on each profile are within United States and California.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Martin Luther King Jr. High Riverside · High · Grades 9–12	Public	2,699	57.4 Top 50%	54% Math proficiency	2,699
2	Polytechnic High Riverside · High · Grades 9–12	Public	2,484	46.3 Lower 50%	36% Math proficiency	2,484
3	Ramona High Riverside · High · Grades 9–12	Public	2,142	20.8 Lower 50%	20% Math proficiency	2,142
4	John W. North High Riverside · High · Grades 9–12	Public	2,011	20.9 Lower 50%	23% Math proficiency	2,011
5	Arlington High Riverside · High · Grades 9–12	Public	1,920	26.6 Lower 50%	20% Math proficiency	1,920
6	Mark Twain Elementary Riverside · Elementary · Grades K–6	Public	1,033	53.4 Top 50%	53% Math proficiency	1,033
7	Jefferson Elementary Riverside · Elementary · Grades K–6	Public	886	22.3 Lower 50%	31% Math proficiency	886
8	Chemawa Middle Riverside · Middle · Grades 7–8	Public	885	18.3 Lower 50%	19% Math proficiency	885
9	University Heights Middle Riverside · Middle · Grades 7–8	Public	870	19.5 Lower 50%	20% Math proficiency	870
10	John F. Kennedy Elementary Riverside · Elementary · Grades K–6	Public	864	56.1 Top 50%	57% Math proficiency	864
11	Mountain View Elementary Riverside · Elementary · Grades K–6	Public	851	26.2 Lower 50%	33% Math proficiency	851
12	Highgrove Elementary Riverside · Elementary · Grades K–6	Public	848	26.6 Lower 50%	34% Math proficiency	848
13	Frank Augustus Miller Middle Riverside · Middle · Grades 7–8	Public	844	54.8 Top 50%	48% Math proficiency	844
14	Matthew Gage Middle Riverside · Middle · Grades 7–8	Public	840	31.3 Lower 50%	29% Math proficiency	840
15	Sierra Middle Riverside · Middle · Grades 7–8	Public	829	19.9 Lower 50%	21% Math proficiency	829
16	Washington Elementary Riverside · Elementary · Grades K–6	Public	818	35.6 Lower 50%	38% Math proficiency	818
17	Benjamin Franklin Elementary Riverside · Elementary · Grades K–6	Public	767	63.6 Top 50%	64% Math proficiency	767
18	Amelia Earhart Middle Riverside · Middle · Grades 7–8	Public	743	55.5 Top 50%	50% Math proficiency	743
19	Lake Mathews Elementary Riverside · Elementary · Grades K–6	Public	733	62.2 Top 50%	62% Math proficiency	733
20	Longfellow Elementary Riverside · Elementary · Grades K–6	Public	701	23.8 Lower 50%	29% Math proficiency	701
21	Tomas Rivera Elementary Riverside · Elementary · Grades K–6	Public	699	59.4 Top 50%	57% Math proficiency	699
22	Castle View Elementary Riverside · Elementary · Grades K–6	Public	684	47.0 Lower 50%	45% Math proficiency	684
23	Pachappa Elementary Riverside · Elementary · Grades K–6	Public	676	38.0 Lower 50%	36% Math proficiency	676
24	Madison Elementary Riverside · Elementary · Grades K–6	Public	675	34.6 Lower 50%	42% Math proficiency	675
25	Emerson Elementary Riverside · Elementary · Grades K–6	Public	669	23.6 Lower 50%	31% Math proficiency	669
26	Riverside STEM Academy Riverside · High · Grades 5–12	Public	665	69.7 Top 25%	90% Math proficiency	665
27	Hawthorne Elementary Riverside · Elementary · Grades K–6	Public	663	32.0 Lower 50%	35% Math proficiency	663
28	Woodcrest Elementary Riverside · Elementary · Grades K–6	Public	660	38.3 Lower 50%	39% Math proficiency	660
29	Jackson Elementary Riverside · Elementary · Grades K–6	Public	657	19.1 Lower 50%	26% Math proficiency	657
30	Liberty Elementary Riverside · Elementary · Grades K–6	Public	651	17.7 Lower 50%	26% Math proficiency	651
31	William Howard Taft Elementary Riverside · Elementary · Grades K–6	Public	635	27.5 Lower 50%	29% Math proficiency	635
32	Central Middle Riverside · Middle · Grades 7–8	Public	621	15.3 Lower 50%	17% Math proficiency	621
33	Alcott Elementary Riverside · Elementary · Grades K–6	Public	603	38.6 Lower 50%	40% Math proficiency	603
34	Harada Elementary Riverside · Elementary · Grades K–6	Public	603	13.5 Lower 50%	20% Math proficiency	603
35	Monroe Elementary Riverside · Elementary · Grades K–6	Public	596	16.7 Lower 50%	25% Math proficiency	596
36	Fremont Elementary Riverside · Elementary · Grades K–6	Public	593	21.8 Lower 50%	24% Math proficiency	593
37	Harrison Elementary Riverside · Elementary · Grades K–6	Public	571	33.7 Lower 50%	37% Math proficiency	571
38	Magnolia Elementary Riverside · Elementary · Grades K–6	Public	535	36.4 Lower 50%	38% Math proficiency	535
39	Patricia Beatty Elementary Riverside · Elementary · Grades K–6	Public	494	24.0 Lower 50%	27% Math proficiency	494
40	Victoria Elementary Riverside · Elementary · Grades K–6	Public	488	23.7 Lower 50%	29% Math proficiency	488
41	Adams Elementary Riverside · Elementary · Grades K–6	Public	487	20.4 Lower 50%	27% Math proficiency	487
42	Bryant Elementary Riverside · Elementary · Grades K–6	Public	332	38.8 Lower 50%	45% Math proficiency	332

Martin Luther King Jr. High in Riverside leads the 2025 list of largest schools in Riverside Unified with Enrollment 2,699. Of the 42 schools shown, 42 are public.

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

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Frequently asked questions

What is the best largest school in Riverside Unified?

Martin Luther King Jr. High in Riverside, California ranks first among largest schools in Riverside Unified with Enrollment 2,699 (Enrollment: 2,699).

How are largest schools in Riverside Unified ranked?

Schools with the highest enrollment. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

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.