Largest Schools in Oceanside (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 31 schools in Oceanside, California. Rank positions shown on each profile are within United States and California.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	El Camino High Oceanside · High · Grades 9–12	Public	2,463	32.9 Lower 50%	27% Math proficiency	2,463
2	Oceanside High Oceanside · High · Grades 9–12	Public	1,948	24.9 Lower 50%	24% Math proficiency	1,948
3	SIATech Oceanside · High · Grades 10–12	Charter	1,174	5.1 Lower 50%	0.5% Math proficiency	1,174
4	Madison Middle Oceanside · Middle · Grades 6–8	Public	1,158	35.1 Lower 50%	32% Math proficiency	1,158
5	Martin Luther King Jr. Middle Oceanside · Middle · Grades 6–8	Public	1,098	39.4 Lower 50%	41% Math proficiency	1,098
6	Roosevelt Middle Oceanside · Middle · Grades 6–8	Public	866	24.8 Lower 50%	22% Math proficiency	866
7	Mary Fay Pendleton Elementary Oceanside · Elementary · Grades K–8	Public	820	68.9 Top 25%	73% Math proficiency	820
8	North Terrace Elementary Oceanside · Elementary · Grades K–8	Public	771	52.5 Top 50%	57% Math proficiency	771
9	Louise Foussat Elementary Oceanside · Elementary · Grades K–5	Public	755	31.6 Lower 50%	40% Math proficiency	755
10	Empresa Elementary Oceanside · Elementary · Grades K–5	Public	705	65.8 Top 50%	65% Math proficiency	705
11	Ivey Ranch Elementary Oceanside · Elementary · Grades K–5	Public	698	62.1 Top 50%	61% Math proficiency	698
12	Lake Elementary Oceanside · Elementary · Grades K–5	Public	696	56.4 Top 50%	52% Math proficiency	696
13	Scholarship Prep - Oceanside Oceanside · Elementary · Grades K–8	Charter	626	40.6 Lower 50%	47% Math proficiency	626
14	Lincoln Middle Oceanside · Middle · Grades 6–8	Public	621	32.5 Lower 50%	35% Math proficiency	621
15	T.H.E Leadership Academy Oceanside · Elementary · Grades K–5	Public	584	38.9 Lower 50%	40% Math proficiency	584
16	Cesar Chavez Middle Oceanside · Middle · Grades 6–8	Public	557	25.9 Lower 50%	25% Math proficiency	557
17	Alamosa Park Elementary Oceanside · Elementary · Grades K–5	Public	549	60.4 Top 50%	58% Math proficiency	549
18	Stuart Mesa Elementary Oceanside · Elementary · Grades K–8	Public	549	37.1 Lower 50%	40% Math proficiency	549
19	Santa Margarita Elementary Oceanside · Elementary · Grades K–8	Public	544	56.6 Top 50%	62% Math proficiency	544
20	Nichols Elementary Oceanside · Elementary · Grades K–5	Public	522	30.5 Lower 50%	36% Math proficiency	522
21	Palmquist Elementary Oceanside · Elementary · Grades K–5	Public	512	44.4 Lower 50%	42% Math proficiency	512
22	South Oceanside Elementary Oceanside · Elementary · Grades K–5	Public	487	36.0 Lower 50%	42% Math proficiency	487
23	Libby Elementary Oceanside · Elementary · Grades K–5	Public	482	22.4 Lower 50%	35% Math proficiency	482
24	Mission Meadows Elementary Oceanside · Elementary · Grades K–5	Public	473	44.9 Lower 50%	47% Math proficiency	473
25	Christa McAuliffe Elementary Oceanside · Elementary · Grades K–5	Public	461	38.1 Lower 50%	38% Math proficiency	461
26	Jefferson Middle Oceanside · Middle · Grades 6–8	Public	441	13.7 Lower 50%	18% Math proficiency	441
27	Pablo Tac School of the Arts Oceanside · Elementary · Grades K–5	Public	425	14.3 Lower 50%	17% Math proficiency	425
28	Mission Elementary Oceanside · Elementary · Grades K–5	Public	419	16.1 Lower 50%	27% Math proficiency	419
29	Bonsall West Elementary Oceanside · Elementary · Grades K–6	Public	383	67.0 Top 50%	67% Math proficiency	383
30	Del Rio Elementary Oceanside · Elementary · Grades K–5	Public	353	16.8 Lower 50%	27% Math proficiency	353
31	Laurel Elementary Oceanside · Elementary · Grades K–5	Public	352	16.4 Lower 50%	29% Math proficiency	352

El Camino High in Oceanside leads the 2025 list of largest schools in Oceanside with Enrollment 2,463. Of the 31 schools shown, 29 are public, 2 are charter.

For the full picture see the wider California largest schools rankings, every school on the Oceanside 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 Oceanside?

El Camino High in Oceanside, California ranks first among largest schools in Oceanside with Enrollment 2,463 (Enrollment: 2,463).

How are largest schools in Oceanside 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.