Largest Schools in Lancaster (2025)

Schools with the highest enrollment. Ranked by the Success Index (US) from official American data; 37 schools in Lancaster, California. Rank positions shown on each profile are within United States and California.

#	School	Sector	Enrollment	Success Index (US)	Key result	Students
1	Assurance Learning Academy Lancaster · High · Grades 8–12	Charter	3,014	7.2 Lower 50%	2% Math proficiency	3,014
2	Lancaster High Lancaster · High · Grades 9–12	Public	2,688	21.8 Lower 50%	13% Math proficiency	2,688
3	Eastside High Lancaster · High · Grades 9–12	Public	2,631	16.2 Lower 50%	7% Math proficiency	2,631
4	Antelope Valley High Lancaster · High · Grades 9–12	Public	1,498	12.9 Lower 50%	6% Math proficiency	1,498
5	Sundown Elementary Lancaster · Elementary · Grades K–6	Public	941	26.5 Lower 50%	28% Math proficiency	941
6	Amargosa Creek Middle Lancaster · Middle · Grades 6–8	Public	859	22.4 Lower 50%	23% Math proficiency	859
7	New Vista Middle Lancaster · Middle · Grades 6–8	Public	835	9.6 Lower 50%	8% Math proficiency	835
8	Endeavour Middle Lancaster · Middle · Grades 6–8	Public	805	15.2 Lower 50%	14% Math proficiency	805
9	Monte Vista Elementary Lancaster · Elementary · Grades K–5	Public	788	17.1 Lower 50%	26% Math proficiency	788
10	Joe Walker Middle Lancaster · Middle · Grades 6–8	Public	781	38.0 Lower 50%	27% Math proficiency	781
11	iLEAD Lancaster Charter Lancaster · Elementary · Grades K–8	Charter	771	11.0 Lower 50%	11% Math proficiency	771
12	El Dorado Elementary Lancaster · Elementary · Grades K–5	Public	766	13.3 Lower 50%	24% Math proficiency	766
13	Del Sur Senior Elementary Lancaster · Elementary · Grades K–8	Public	763	33.2 Lower 50%	31% Math proficiency	763
14	West Wind Elementary Lancaster · Elementary · Grades K–5	Public	757	25.1 Lower 50%	26% Math proficiency	757
15	Lincoln Elementary Lancaster · Elementary · Grades K–5	Public	738	5.8 Lower 50%	8% Math proficiency	738
16	Mariposa Elementary Lancaster · Elementary · Grades K–6	Public	732	9.2 Lower 50%	16% Math proficiency	732
17	Piute Middle Lancaster · Middle · Grades 6–8	Public	729	8.2 Lower 50%	5% Math proficiency	729
18	Nancy Cory Elementary Lancaster · Elementary · Grades K–5	Public	728	21.4 Lower 50%	27% Math proficiency	728
19	Desert Sands Charter Lancaster · High · Grades 8–12	Charter	727	17.8 Lower 50%	2.5% Math proficiency	727
20	Sierra Elementary Lancaster · Elementary · Grades K–5	Public	707	8.1 Lower 50%	11% Math proficiency	707
21	John and Jacquelyn Miller Elementary Lancaster · Elementary · Grades K–7	Public	697	23.3 Lower 50%	28% Math proficiency	697
22	Gifford C. Cole Middle Lancaster · Middle · Grades 7–8	Public	697	9.5 Lower 50%	7% Math proficiency	697
23	Desert View Elementary Lancaster · Elementary · Grades K–6	Public	688	13.9 Lower 50%	14% Math proficiency	688
24	Joshua Elementary Lancaster · Elementary · Grades K–6	Public	688	6.1 Lower 50%	5% Math proficiency	688
25	Linda Verde Elementary Lancaster · Elementary · Grades K–8	Public	680	9.3 Lower 50%	12% Math proficiency	680
26	Discovery Lancaster · Elementary · Grades K–5	Public	662	15.0 Lower 50%	18% Math proficiency	662
27	Valley View Elementary Lancaster · Elementary · Grades K–6	Public	659	26.3 Lower 50%	26% Math proficiency	659
28	Enterprise Elementary Lancaster · Elementary · Grades K–6	Public	646	16.8 Lower 50%	23% Math proficiency	646
29	Jack Northrop Elementary Lancaster · Elementary · Grades K–5	Public	645	18.3 Lower 50%	26% Math proficiency	645
30	Tierra Bonita Elementary Lancaster · Elementary · Grades K–6	Public	636	20.0 Lower 50%	24% Math proficiency	636
31	Columbia Elementary Lancaster · Elementary · Grades K–6	Public	620	10.4 Lower 50%	14% Math proficiency	620
32	Sunnydale Elementary Lancaster · Elementary · Grades K–6	Public	469	16.5 Lower 50%	17% Math proficiency	469
33	Eastside Elementary Lancaster · Elementary · Grades K–6	Public	423	8.0 Lower 50%	15% Math proficiency	423
34	Fulton and Alsbury Academy of Arts and Engineering Lancaster · Middle · Grades 6–8	Public	414	57.9 Top 50%	56% Math proficiency	414
35	Wilsona Elementary Lancaster · Elementary · Grades 3–5	Public	403	15.1 Lower 50%	87.3% Free/reduced-price lunch	403
36	Challenger Middle Lancaster · Middle · Grades 6–8	Public	403	11.1 Lower 50%	13% Math proficiency	403
37	Empower Generations Lancaster · High · Grades 9–12	Charter	81	20.3 Lower 50%	24.5% Math proficiency	81

Assurance Learning Academy in Lancaster leads the 2025 list of largest schools in Lancaster with Enrollment 3,014. Of the 37 schools shown, 33 are public, 4 are charter.

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

Assurance Learning Academy in Lancaster, California ranks first among largest schools in Lancaster with Enrollment 3,014 (Enrollment: 3,014).

How are largest schools in Lancaster 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.