5

California

Total Equipment Cost

$2.5B

Annual Operations and Maintenance Cost

$219.6M

Students Affected

4,975,290

California’s Data by School District

Top 100 school districts, ranked by equipment cost
Rank School district Total Equipment (1970-2025) Annual O&M # of Students Impacted Increase in heat days from 1970–2025 (Total heat days)
1 Capistrano Unified School DistrictCA 203,162,000 6,547,000 46,690 16 (43)
2 San Diego City Unified School DistrictCA 185,470,000 7,945,000 92,440 17 (55)
3 Sweetwater Union High School DistrictCA 162,934,000 8,065,000 32,940 16 (39)
4 Fremont Unified School DistrictCA 159,133,000 3,744,000 31,540 15 (37)
5 Hayward Unified School DistrictCA 99,294,000 2,233,000 19,690 14 (34)
6 Chula Vista Elementary School DistrictCA 81,303,000 1,130,000 21,320 17 (40)
7 Santa Maria-Bonita Elementary School DistrictCA 75,612,000 1,197,000 16,060 10 (33)
8 Newport-Mesa Unified School DistrictCA 64,781,000 2,128,000 14,480 14 (41)
9 Los Angeles Unified School DistrictCA 59,511,000 12,449,000 421,650 22 (88)
10 New Haven Unified School DistrictCA 57,402,000 1,552,000 11,000 17 (38)
11 Fremont Union High School DistrictCA 54,851,000 2,129,000 10,970 15 (48)
12 Saddleback Valley Unified School DistrictCA 54,835,000 2,102,000 26,400 18 (53)
13 Palo Alto Unified School DistrictCA 51,740,000 1,424,000 11,930 14 (43)
14 Castro Valley Unified School DistrictCA 47,227,000 1,188,000 9,100 16 (39)
15 Cupertino Union Elementary School DistrictCA 44,827,000 1,027,000 17,350 15 (50)
16 Redondo Beach Unified School DistrictCA 42,203,000 1,489,000 9,950 9 (40)
17 Milpitas Unified School DistrictCA 41,817,000 1,161,000 10,070 17 (46)
18 Centinela Valley Union High School DistrictCA 36,509,000 1,796,000 6,050 8 (36)
19 Hawthorne Elementary School DistrictCA 35,816,000 981,000 7,490 8 (36)
20 Inglewood Unified School DistrictCA 35,307,000 1,114,000 6,980 8 (38)
21 Manhattan Beach Unified School DistrictCA 34,652,000 1,285,000 6,550 8 (34)
22 Irvine Unified School DistrictCA 34,545,000 2,133,000 35,130 25 (77)
23 Santa Maria Joint Union High School DistrictCA 33,182,000 1,085,000 5,500 9 (32)
24 Palos Verdes Peninsula Unified School DistrictCA 32,726,000 1,114,000 11,110 7 (37)
25 Sunnyvale Elementary School DistrictCA 31,779,000 645,000 6,660 15 (42)
26 Lompoc Unified School DistrictCA 30,346,000 639,000 6,030 11 (30)
27 Oxnard Union High School DistrictCA 28,871,000 1,759,000 15,800 18 (60)
28 Berryessa Union Elementary School DistrictCA 28,847,000 681,000 6,980 18 (49)
29 Newark Unified School DistrictCA 28,834,000 718,000 5,640 15 (38)
30 Hueneme Elementary School DistrictCA 27,536,000 856,000 8,240 13 (44)
31 Mountain View Whisman Elementary School DistrictCA 27,100,000 504,000 5,710 15 (39)
32 Mountain View-Los Altos Union School DistrictCA 25,895,000 899,000 4,290 15 (38)
33 Lawndale Elementary School DistrictCA 25,383,000 718,000 5,290 8 (36)
34 Lennox Elementary School DistrictCA 24,140,000 646,000 5,060 8 (37)
35 South Bay Union School DistrictCA 23,859,000 327,000 5,270 14 (36)
36 Santa Clara Unified School DistrictCA 23,069,000 823,000 14,870 16 (54)
37 San Lorenzo Unified School DistrictCA 21,346,000 498,000 4,150 10 (29)
38 Oxnard Elementary School DistrictCA 20,510,000 1,093,000 16,130 14 (47)
39 Los Altos Elementary School DistrictCA 20,079,000 347,000 4,240 15 (39)
40 San Mateo-Foster City Elementary School DistrictCA 19,728,000 352,000 5,260 6 (30)
41 El Segundo Unified School DistrictCA 17,918,000 665,000 3,410 8 (33)
42 Santa Barbara Unified School DistrictCA 15,986,000 493,000 2,870 6 (32)
43 Belmont-Redwood Shores Elementary School DistrictCA 13,699,000 419,000 3,800 11 (41)
44 Sequoia Union High School DistrictCA 13,379,000 715,000 8,750 12 (51)
45 Beverly Hills Unified School DistrictCA 12,566,000 681,000 3,740 13 (45)
46 East Side Union High School DistrictCA 12,425,000 1,358,000 21,570 16 (64)
47 Wiseburn Unified School DistrictCA 12,285,000 376,000 2,530 8 (34)
48 San Ysidro Elementary School DistrictCA 11,460,000 271,000 4,580 14 (50)
49 Ocean View Elementary School DistrictCA 10,079,000 290,000 2,560 13 (45)
50 San Mateo Union High School DistrictCA 9,473,000 332,000 1,570 4 (20)
51 Scotts Valley Unified School DistrictCA 7,675,000 160,000 2,420 14 (44)
52 Redwood City Elementary School DistrictCA 6,963,000 380,000 7,280 10 (56)
53 Rim of the World Unified School DistrictCA 6,814,000 184,000 2,850 18 (48)
54 Hermosa Beach City Elementary School DistrictCA 6,716,000 243,000 1,340 8 (39)
55 Reed Union Elementary School DistrictCA 6,602,000 136,000 1,360 11 (36)
56 Torrance Unified School DistrictCA 6,599,000 613,000 23,160 10 (46)
57 Culver City Unified School DistrictCA 6,446,000 243,000 7,080 9 (42)
58 Alum Rock Union Elementary School DistrictCA 6,372,000 273,000 7,190 17 (62)
59 Guadalupe Union Elementary School DistrictCA 6,282,000 146,000 1,280 12 (34)
60 San Luis Coastal Unified School DistrictCA 6,272,000 280,000 4,720 11 (38)
61 Goleta Union Elementary School DistrictCA 5,921,000 65,000 1,310 12 (34)
62 San Lorenzo Valley Unified School DistrictCA 4,450,000 151,000 2,330 19 (49)
63 National Elementary School DistrictCA 4,119,000 61,000 910 14 (34)
64 San Carlos Elementary School DistrictCA 4,068,000 113,000 810 12 (44)
65 Plumas Unified School DistrictCA 3,329,000 53,000 1,840 15 (51)
66 Buellton Union Elementary School DistrictCA 2,918,000 52,000 610 21 (47)
67 Coast Unified School DistrictCA 2,898,000 73,000 550 17 (40)
68 Tahoe-Truckee Unified School DistrictCA 2,865,000 32,000 540 11 (20)
69 Oceanside Unified School DistrictCA 2,793,000 152,000 4,800 9 (34)
70 Lafayette Elementary School DistrictCA 2,517,000 103,000 3,570 14 (56)
71 Loma Prieta Joint Union Elementary School DistrictCA 2,437,000 40,000 500 10 (42)
72 Orange County Department of EducationCA 2,270,000 111,000 380 24 (51)
73 California School for the Deaf-Fremont (State Special Schl)CA 2,246,000 84,000 370 20 (42)
74 North Monterey County Unified School DistrictCA 2,227,000 20,000 490 7 (25)
75 Desert Sands Unified School DistrictCA 2,220,000 1,033,000 25,640 24 (198)
76 Aromas-San Juan Unified School DistrictCA 2,177,000 100,000 1,090 16 (52)
77 Woodside Elementary School DistrictCA 2,177,000 51,000 410 21 (41)
78 Eastern Sierra Unified School DistrictCA 2,121,000 39,000 380 19 (44)
79 Sierra-Plumas Joint Unified School DistrictCA 2,114,000 22,000 410 15 (42)
80 West Contra Costa Unified School DistrictCA 2,073,000 29,000 1,630 6 (23)
81 Riverside Unified School DistrictCA 2,042,000 1,520,000 39,910 31 (131)
82 Janesville Union Elementary School DistrictCA 1,958,000 35,000 370 17 (49)
83 Larkspur Elementary School DistrictCA 1,919,000 40,000 1,540 12 (49)
84 Corona-Norco Unified School DistrictCA 1,916,000 2,074,000 52,880 30 (123)
85 Fallbrook Union Elementary School DistrictCA 1,910,000 129,000 4,430 22 (76)
86 Montecito Union Elementary School DistrictCA 1,783,000 21,000 390 10 (38)
87 Coachella Valley Unified School DistrictCA 1,694,000 588,000 17,660 25 (199)
88 Butte Valley Unified School DistrictCA 1,686,000 30,000 300 14 (40)
89 Palm Springs Unified School DistrictCA 1,628,000 875,000 21,270 22 (182)
90 El Tejon Unified School DistrictCA 1,588,000 50,000 470 14 (41)
91 Sunol Glen Unified School DistrictCA 1,585,000 53,000 300 21 (49)
92 Coronado Unified School DistrictCA 1,430,000 21,000 320 8 (33)
93 Weed Union Elementary School DistrictCA 1,345,000 28,000 250 20 (50)
94 Atascadero Unified School DistrictCA 1,227,000 136,000 4,520 19 (67)
95 San Bernardino City Unified School DistrictCA 1,180,000 1,588,000 47,550 26 (128)
96 Siskiyou Union High School DistrictCA 1,177,000 22,000 250 13 (45)
97 Blochman Union Elementary School DistrictCA 1,131,000 36,000 210 18 (41)
98 Mount Shasta Union Elementary School DistrictCA 1,046,000 6,000 230 14 (34)
99 Temecula Valley Unified School DistrictCA 1,008,000 1,112,000 27,550 23 (138)
100 Moreno Valley Unified School DistrictCA 996,000 1,281,000 31,970 31 (118)
Top 100 school districts, ranked by O&M cost
Rank School district Total Equipment (1970-2025) Annual O&M # of Students Impacted Increase in heat days from 1970–2025 (Total heat days)
1 Los Angeles Unified School DistrictCA 59,511,000 12,449,000 421,650 22 (88)
2 Sweetwater Union High School DistrictCA 162,934,000 8,065,000 32,940 16 (39)
3 San Diego City Unified School DistrictCA 185,470,000 7,945,000 92,440 17 (55)
4 Capistrano Unified School DistrictCA 203,162,000 6,547,000 46,690 16 (43)
5 Fremont Unified School DistrictCA 159,133,000 3,744,000 31,540 15 (37)
6 Hayward Unified School DistrictCA 99,294,000 2,233,000 19,690 14 (34)
7 Long Beach Unified School DistrictCA 0 2,192,000 70,510 21 (77)
8 Irvine Unified School DistrictCA 34,545,000 2,133,000 35,130 25 (77)
9 Fremont Union High School DistrictCA 54,851,000 2,129,000 10,970 15 (48)
10 Newport-Mesa Unified School DistrictCA 64,781,000 2,128,000 14,480 14 (41)
11 Saddleback Valley Unified School DistrictCA 54,835,000 2,102,000 26,400 18 (53)
12 Corona-Norco Unified School DistrictCA 1,916,000 2,074,000 52,880 30 (123)
13 Fresno Unified School DistrictCA 0 2,056,000 69,370 17 (113)
14 Elk Grove Unified School DistrictCA 0 1,876,000 62,000 20 (98)
15 Centinela Valley Union High School DistrictCA 36,509,000 1,796,000 6,050 8 (36)
16 Oxnard Union High School DistrictCA 28,871,000 1,759,000 15,800 18 (60)
17 Anaheim Union High School DistrictCA 339,000 1,677,000 29,500 28 (104)
18 Santa Ana Unified School DistrictCA 43,000 1,608,000 45,420 28 (95)
19 San Bernardino City Unified School DistrictCA 1,180,000 1,588,000 47,550 26 (128)
20 Stockton Unified School DistrictCA 0 1,587,000 34,360 18 (99)
21 New Haven Unified School DistrictCA 57,402,000 1,552,000 11,000 17 (38)
22 Riverside Unified School DistrictCA 2,042,000 1,520,000 39,910 31 (131)
23 San Juan Unified School DistrictCA 19,000 1,500,000 39,320 19 (100)
24 Redondo Beach Unified School DistrictCA 42,203,000 1,489,000 9,950 9 (40)
25 Palo Alto Unified School DistrictCA 51,740,000 1,424,000 11,930 14 (43)
26 Poway Unified School DistrictCA 111,000 1,415,000 37,670 34 (116)
27 William S. Hart Union High School DistrictCA 187,000 1,395,000 21,760 25 (113)
28 Garden Grove Unified School DistrictCA 142,000 1,363,000 42,510 27 (93)
29 East Side Union High School DistrictCA 12,425,000 1,358,000 21,570 16 (64)
30 Clovis Unified School DistrictCA 0 1,328,000 43,070 17 (114)
31 Manhattan Beach Unified School DistrictCA 34,652,000 1,285,000 6,550 8 (34)
32 Chaffey Joint Union High School DistrictCA 100,000 1,284,000 23,280 28 (120)
33 Moreno Valley Unified School DistrictCA 996,000 1,281,000 31,970 31 (118)
34 Kern High School DistrictCA 0 1,275,000 38,830 16 (119)
35 Sacramento City Unified School DistrictCA 0 1,255,000 39,480 20 (99)
36 Santa Maria-Bonita Elementary School DistrictCA 75,612,000 1,197,000 16,060 10 (33)
37 Castro Valley Unified School DistrictCA 47,227,000 1,188,000 9,100 16 (39)
38 Fontana Unified School DistrictCA 89,000 1,183,000 35,750 27 (131)
39 Antelope Valley Union Joint High School DistrictCA 187,000 1,170,000 19,250 25 (114)
40 Milpitas Unified School DistrictCA 41,817,000 1,161,000 10,070 17 (46)
41 Chula Vista Elementary School DistrictCA 81,303,000 1,130,000 21,320 17 (40)
42 Palos Verdes Peninsula Unified School DistrictCA 32,726,000 1,114,000 11,110 7 (37)
43 Inglewood Unified School DistrictCA 35,307,000 1,114,000 6,980 8 (38)
44 Temecula Valley Unified School DistrictCA 1,008,000 1,112,000 27,550 23 (138)
45 San Ramon Valley Unified School DistrictCA 0 1,096,000 31,850 15 (74)
46 Oxnard Elementary School DistrictCA 20,510,000 1,093,000 16,130 14 (47)
47 Santa Maria Joint Union High School DistrictCA 33,182,000 1,085,000 5,500 9 (32)
48 Manteca Unified School DistrictCA 0 1,033,000 23,180 17 (101)
49 Desert Sands Unified School DistrictCA 2,220,000 1,033,000 25,640 24 (198)
50 Cupertino Union Elementary School DistrictCA 44,827,000 1,027,000 17,350 15 (50)
51 Chino Valley Unified School DistrictCA 134,000 997,000 27,320 28 (127)
52 Hawthorne Elementary School DistrictCA 35,816,000 981,000 7,490 8 (36)
53 Placentia-Yorba Linda Unified School DistrictCA 380,000 954,000 25,050 28 (116)
54 Montebello Unified School DistrictCA 850,000 951,000 24,980 34 (132)
55 Murrieta Valley Unified School DistrictCA 246,000 945,000 22,950 23 (137)
56 Alhambra Unified School DistrictCA 203,000 917,000 16,250 33 (134)
57 Rialto Unified School DistrictCA 563,000 913,000 24,730 26 (130)
58 Mountain View-Los Altos Union School DistrictCA 25,895,000 899,000 4,290 15 (38)
59 Tustin Unified School DistrictCA 113,000 882,000 23,360 28 (95)
60 Pomona Unified School DistrictCA 421,000 877,000 21,800 31 (124)
61 Palm Springs Unified School DistrictCA 1,628,000 875,000 21,270 22 (182)
62 Mount Diablo Unified School DistrictCA 0 875,000 29,880 15 (78)
63 Hueneme Elementary School DistrictCA 27,536,000 856,000 8,240 13 (44)
64 Redlands Unified School DistrictCA 869,000 844,000 20,520 29 (126)
65 Orange Unified School DistrictCA 326,000 842,000 24,860 28 (102)
66 Lake Elsinore Unified School DistrictCA 116,000 841,000 20,660 23 (129)
67 Glendale Unified School DistrictCA 81,000 831,000 26,340 28 (105)
68 Lodi Unified School DistrictCA 0 828,000 28,800 19 (99)
69 Santa Clara Unified School DistrictCA 23,069,000 823,000 14,870 16 (54)
70 Downey Unified School DistrictCA 573,000 822,000 21,680 33 (113)
71 Grossmont Union High School DistrictCA 0 808,000 16,380 26 (100)
72 Alvord Unified School DistrictCA 925,000 794,000 18,150 33 (136)
73 Hacienda La Puente Unified School DistrictCA 537,000 792,000 18,130 34 (137)
74 Twin Rivers Unified School DistrictCA 0 786,000 23,200 19 (101)
75 Val Verde Unified School DistrictCA 570,000 783,000 19,710 30 (125)
76 San Jose Unified School DistrictCA 0 780,000 29,160 16 (64)
77 Hemet Unified School DistrictCA 119,000 779,000 20,510 24 (130)
78 Huntington Beach Union High School DistrictCA 0 773,000 15,400 22 (71)
79 Visalia Unified School DistrictCA 0 769,000 27,480 14 (110)
80 Colton Joint Unified School DistrictCA 878,000 765,000 21,650 29 (135)
81 Fullerton Joint Union High School DistrictCA 155,000 764,000 12,830 29 (115)
82 San Marcos Unified School DistrictCA 0 760,000 20,700 26 (86)
83 Modesto City High School DistrictCA 0 740,000 14,500 18 (102)
84 Fairfield-Suisun Unified School DistrictCA 0 738,000 20,250 19 (87)
85 Compton Unified School DistrictCA 0 722,000 20,560 18 (66)
86 Newark Unified School DistrictCA 28,834,000 718,000 5,640 15 (38)
87 Lawndale Elementary School DistrictCA 25,383,000 718,000 5,290 8 (36)
88 Sequoia Union High School DistrictCA 13,379,000 715,000 8,750 12 (51)
89 Folsom-Cordova Unified School DistrictCA 0 713,000 19,970 19 (99)
90 Jurupa Unified School DistrictCA 652,000 690,000 18,940 31 (138)
91 Berryessa Union Elementary School DistrictCA 28,847,000 681,000 6,980 18 (49)
92 Beverly Hills Unified School DistrictCA 12,566,000 681,000 3,740 13 (45)
93 El Segundo Unified School DistrictCA 17,918,000 665,000 3,410 8 (33)
94 San Dieguito Union High School DistrictCA 8,000 658,000 13,000 28 (88)
95 Lennox Elementary School DistrictCA 24,140,000 646,000 5,060 8 (37)
96 Sunnyvale Elementary School DistrictCA 31,779,000 645,000 6,660 15 (42)
97 Lompoc Unified School DistrictCA 30,346,000 639,000 6,030 11 (30)
98 Whittier Union High School DistrictCA 140,000 639,000 10,590 35 (129)
99 Norwalk-La Mirada Unified School DistrictCA 113,000 634,000 17,120 32 (110)
100 Pasadena Unified School DistrictCA 787,000 624,000 15,800 34 (131)