Oakland City Wire

Castlemont High School had 229 10th-grade students during the 2020-2021 school year, according to the California Department of Education.

Five Keys Independence HS (SF Sheriff's) had the most 10th-grade students enrolled in California with 2,247.

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	Five Keys Independence HS (SF Sheriff's)	2,247
2	Eleanor Roosevelt High School	1,217
3	Granada Hills Charter High School	1,175
4	Downey High School	1,143
5	Central High East Campus	1,107
6	Paramount High School	1,073
7	Assurance Learning Academy	1,040
8	Wilson High School	989
9	Polytechnic High School	970
10	Pittsburg Senior High School	964
11	Vista Murrieta High School	954
12	El Camino Real Charter High School	943
13	Etiwanda High School	935
14	San Marcos High School	931
15	San Diego Workforce Innovation High School	930
16	Fountain Valley High School	922
17	Santa Ana High School	915
18	James Logan High School	913
19	Centennial High School	903
20	Paloma Valley High School	882
20	Opportunities for Learning - Baldwin Park	882
22	Earl Warren High School	876
23	Santiago High School	875
24	Sanger High School	871
25	Dougherty Valley High School	860
26	Millikan High School	857
27	Pioneer Valley High School	854
28	Lakewood High School	847
29	Upland High School	844
30	Temecula Valley High School	842
30	Dublin High School	842
32	San Benito High School	837
33	Sunnyside High School	828
34	Birmingham Community Charter High School	826
35	Great Oak High School	819
36	Chaffey High School	815
37	Pacifica High School	813
38	Rialto High School	809
39	Cajon High School	805
39	Palisades Charter High School	805
41	Beaumont Senior High School	804
41	Redondo Union High School	804
43	Martin Luther King Jr. High School	799
44	Visions In Education	798
45	Los Alamitos High School	797
46	William J. (Pete) Knight High School	794
47	Valley View High School	790
48	Berkeley High School	786
49	Grover Cleveland Charter High School	781
50	Bakersfield High School	777
51	Santa Maria High School	776
52	Montclair High School	775
52	Rancho Cucamonga High School	775
54	Calexico High School	774
54	San Juan Hills High School	774
56	Cypress High School	772
56	Arvin High School	772
58	Anaheim High School	771
59	San Clemente High School	770
60	San Jacinto High School	768
61	Quartz Hill High School	766
62	El Camino High School	765
63	Milpitas High School	764
63	Clovis High School	764
65	Channel Islands High School	763
66	Alta Vista Innovation High School	762
67	Alisal High School	761
68	San Pedro Senior High School	760
69	Eastlake High School	759
70	Aliso Niguel High School	758
71	Oxnard High School	756
72	Yucaipa High School	755
73	Huntington Beach High School	751
74	Sweetwater High School	750
75	Lincoln High School	748
76	Arcadia High School	745
77	Mission Hills High School	742
78	Heritage High School	740
79	California High School	737
80	Evergreen Valley High School	736
80	Franklin High School	736
82	Polytechnic High School	728
82	North Hollywood Senior High School	728
84	Arnold O. Beckman High School	727
85	Liberty High School	719
85	Golden Valley High School	719
87	Chaparral High School	716
88	California High School	714
89	Los Osos High School	713
90	Coachella Valley High School	711
91	Highland High School	708
92	Independence High School	707
92	Van Nuys Senior High School	707
92	Eastside High School	707
95	Westminster High School	706
96	Katella High School	702
97	Clovis East High School	701
98	Lowell High School	699
98	Chino Hills High School	699
98	Santa Monica High School	699
98	Amador Valley High School	699
102	Ridgeview High School	698
103	Bell Senior High School	697
103	San Leandro High School	697
105	Ruben S. Ayala High School	689
106	Alternative Education-San Joaquin High School	688
107	Bullard High School	686
107	Oak Hills High School	686
109	Arroyo Valley High School	684
110	Salinas High School	683
111	Crescenta Valley High School	682
112	Henry High School	680
113	John C. Fremont Senior High School	679
114	Castro Valley High School	676
115	Palmdale High School	675
116	American High School	674
117	Sheldon High School	672
118	Turlock High School	671
118	Buchanan High School	671
118	Mira Monte High School	671
121	Orange Vista High School	668
122	Fontana High School	667
123	Edison High School	666
124	Trabuco Hills High School	665
125	La Serna High School	664
126	Edison High School	662
127	Ernest Righetti High School	661
127	Highland High School	661
129	Valencia High School	660
130	Alta Loma High School	659
130	Diamond Bar High School	659
132	La Quinta High School	658
132	John H. Francis Polytechnic High School	658
132	James C. Enochs High School	658
132	Pleasant Grove High School	658
136	Redwood High School	656
137	Tesoro High School	654
137	Madera South High School	654
139	James Monroe High School	653
139	Wilmer Amina Carter High School	653
141	Alexander Hamilton Senior High School	651
142	Lancaster High School	646
142	James A. Garfield Senior High School	646
144	Canyon Crest Academy	645
145	Watsonville High School	644
145	Eisenhower Senior High School	644
147	Murrieta Valley High School	643
147	Phineas Banning Senior High School	643
149	Modesto High School	641
149	Jordan High School	641
151	Schurr High School	640
152	Torrey Pines High School	637
152	Freedom High School	637
154	Taft Charter High School	636
155	Patriot High School	635
156	Folsom High School	631
157	East Bakersfield High School	624
158	C.K. McClatchy High School	623
158	Roosevelt High School	623
158	Monterey Trail High School	623
161	Troy High School	621
161	Bell Gardens High School	621
161	Del Norte High School	621
164	Cesar Chavez High School	619
165	Irvington High School	618
165	Heritage High School	618
167	Grossmont High School	616
168	Helix High School	615
168	Bonita Vista Senior High School	615
168	Monte Vista High School	615
171	Fontana A.B. Miller High School	614
171	Garden Grove High School	614
171	South High School	614
174	Rancho Bernardo High School	613
174	Burroughs High School	613
174	Oak Ridge High School	613
177	Clovis North High School	612
178	Silver Creek High School	609
178	El Rancho High School	609
178	Saugus High School	609
181	Summit High School	607
182	Burbank High School	605
183	Hemet High School	604
184	Otay Ranch Senior High School	603
184	Independence High School	603
186	Menlo-Atherton High School	602
186	Poway High School	602
186	Hector G. Godinez School	602
189	Redlands Senior High School	601
189	Hesperia High School	601
191	Vista High School	600
191	Sunny Hills High School	600
193	Crescent View West Public Charter School	599
194	Dominguez High School	598
194	Segerstrom High School	598
194	Inderkum High School	598
197	Glendora High School	596
198	Hueneme High School	595
198	Homestead High School	595
198	Valley High School	595