San Mateo Sun

Westmoor High School had 346 ninth-grade students during the 2020-2021 school year, according to the California Department of Education.

Highlands Community Charter School had the most ninth-grade students enrolled in California with 2,719.

According to the National Center for Education Services, California is expected to see public and secondary school enrollment decrease three percent from 2017-2029. The state expected to see the largest drop in enrollment is New Mexico with a projected 12 percent decrease, while Washington D.C. is expected to see a 14 percent increase over the same time period.

In a survey conducted by the Public Policy Institute of California, seven percent of respondents said large class sizes was the biggest issue facing California's K-12 schools. In the same survey, 50 percent of the respondents said they did not view the financial resources their local public school was getting as adequate.

Rank	School	Attendance
1	Highlands Community Charter School	2,719
2	Central High East Campus	1,316
3	Granada Hills Charter High School	1,244
4	Eleanor Roosevelt High School	1,217
5	Downey High School	1,127
6	Polytechnic High School	1,074
7	Paramount High School	1,071
8	Pittsburg Senior High School	1,021
9	Wilson High School	999
10	Vista Murrieta High School	983
11	Etiwanda High School	977
12	Assurance Learning Academy	934
13	Paloma Valley High School	933
14	Sanger High School	931
15	Dublin High School	929
16	San Marcos High School	917
17	El Camino Real Charter High School	916
18	Centennial High School	911
19	San Benito High School	910
20	Millikan High School	888
21	Chaffey High School	881
22	Rancho Cucamonga High School	879
23	Santa Ana High School	878
24	James Logan High School	869
25	Beaumont Senior High School	862
26	Milpitas High School	861
26	Dougherty Valley High School	861
28	Santa Maria High School	856
29	Pacifica High School	855
30	Earl Warren High School	849
31	Los Alamitos High School	846
31	William J. (Pete) Knight High School	846
33	Lakewood High School	841
34	Santiago High School	838
34	Highland High School	838
36	Bakersfield High School	831
37	Palisades Charter High School	824
38	Arroyo Valley High School	821
39	Quartz Hill High School	818
39	Birmingham Community Charter High School	818
41	Redondo Union High School	817
42	Martin Luther King Jr. High School	816
43	Rialto High School	813
43	Berkeley High School	813
45	Arvin High School	803
45	Pioneer Valley High School	803
47	Upland High School	802
48	Great Oak High School	800
49	Valley View High School	794
50	Opportunities for Learning - Baldwin Park	793
51	Alisal High School	792
51	San Pedro Senior High School	792
51	Heritage High School	792
54	Mission Hills High School	791
55	Grover Cleveland Charter High School	788
56	Cajon High School	784
57	Oxnard High School	778
57	Lincoln High School	778
59	Montclair High School	775
59	San Diego Workforce Innovation High School	775
61	Chaparral High School	774
61	North Hollywood Senior High School	774
63	Temecula Valley High School	772
64	Fontana High School	768
65	Sunnyside High School	765
66	Arcadia High School	764
67	Coachella Valley High School	762
68	Ridgeview High School	759
69	Clovis High School	758
70	San Jacinto High School	757
70	Huntington Beach High School	757
72	Yucaipa High School	755
73	Lancaster High School	753
73	California High School	753
73	Eastside High School	753
76	Franklin High School	750
77	Anaheim High School	746
78	Calexico High School	743
79	Clovis East High School	737
80	El Camino High School	736
80	Los Osos High School	736
82	California High School	735
82	Segerstrom High School	735
84	Fresno High School	732
85	Evergreen Valley High School	731
85	Edison High School	731
87	Fountain Valley High School	730
88	Santa Monica High School	729
88	Arnold O. Beckman High School	729
90	San Clemente High School	727
91	Hueneme High School	725
91	San Juan Hills High School	725
93	Golden Valley High School	723
94	Torrey Pines High School	719
95	Roosevelt High School	715
96	Phineas Banning Senior High School	713
97	Independence High School	709
97	Patriot High School	709
99	Channel Islands High School	707
100	Eastlake High School	706
100	Folsom High School	706
102	Van Nuys Senior High School	704
103	Highland High School	702
103	Mira Monte High School	702
105	Cypress High School	700
106	Palmdale High School	698
107	Heritage High School	697
108	Summit High School	694
109	Aliso Niguel High School	693
110	Polytechnic High School	692
110	Salinas High School	692
110	San Leandro High School	692
113	Troy High School	691
114	Trabuco Hills High School	690
114	Pleasant Grove High School	690
116	Redwood High School	689
116	Modesto High School	689
116	Westminster High School	689
119	Katella High School	687
119	Bell Senior High School	687
121	Liberty High School	680
122	Castro Valley High School	679
123	Buchanan High School	678
123	Orange Vista High School	678
125	East Bakersfield High School	677
125	Oak Hills High School	677
127	Amador Valley High School	676
128	John W. North High School	675
129	Chino Hills High School	672
130	Valencia High School	671
130	James A. Garfield Senior High School	671
132	Ernest Righetti High School	668
133	Oak Ridge High School	663
134	La Quinta High School	662
135	Taft Charter High School	661
136	John H. Francis Polytechnic High School	660
136	Joseph A. Gregori High School	660
136	Central Valley High School	660
139	Rio Mesa High School	657
140	Elsinore High School	656
141	Burbank High School	655
142	Saugus High School	654
143	Hector G. Godinez School	652
144	Hemet High School	651
145	Helix High School	650
145	Murrieta Mesa High School	650
147	Lowell High School	649
147	Henry High School	649
147	La Serna High School	649
150	Edison High School	648
151	Bullard High School	646
151	Freedom High School	646
151	Clovis North High School	646
154	Silver Creek High School	645
154	Rancho Bernardo High School	645
156	Mira Costa High School	643
157	Turlock High School	642
158	Diamond Bar High School	640
159	Bonita Vista Senior High School	638
160	Westview High School	637
160	Sheldon High School	637
160	Bell Gardens High School	637
163	Hesperia High School	636
163	Alexander Hamilton Senior High School	636
165	Moreno Valley High School	635
165	Herbert Hoover High School	635
165	Indian Springs High School	635
168	Burroughs High School	634
169	Ruben S. Ayala High School	633
169	Claremont High School	633
169	Alta Vista Innovation High School	633
172	Fontana A.B. Miller High School	632
173	James C. Enochs High School	631
174	Temescal Canyon High School	629
174	Inderkum High School	629
176	American High School	628
177	Alta Loma High School	627
178	Mira Mesa High School	625
178	Canyon Springs High School	625
180	Ramona High School	624
181	Central Union High School	623
182	Eisenhower Senior High School	622
182	Corona High School	622
182	Foothill High School	622
185	Schurr High School	621
186	Paso Robles High School	620
186	Serrano High School	620
188	Granada High School	619
189	Perris High School	618
190	River City High School	617
190	Otay Ranch Senior High School	617
190	Grant Union High School	617
190	Alternative Education-San Joaquin High School	617
194	Independence High School	616
195	Watsonville High School	615
195	Silverado High School	615
195	El Rancho High School	615
195	Del Norte High School	615
199	John F. Kennedy High School	614
200	Sunny Hills High School	613