The student population at College of the Siskiyous is 1,575 (all undergraduate). The number of students has decreased by 628 over the past decade.
The female to male ratio is 0.93 to 1 which means that the numbers of female and male students are similar.
612 students enrolled in online degree program exclusively and the number of online students has increased by 50.00% since 2015.
The average student population over the last 11 years is 1,682 where 1,575 students are attending the school for the academic year 2024-2025.
The female to male ratio is 0.93 to 1 and it means that there are similar numbers of female and male students enrolled in C of the Siskiyous.
The following table and chart illustrate the changes in student population by gender at College of the Siskiyous since 2015.
| Year | Total | Men | Women |
|---|---|---|---|
| 2015-16 | 2,203 | 1,152 | 1,051 |
| 2016-17 | 2,249 46 | 1,224 72 | 1,025 -26 |
| 2017-18 | 2,111 -138 | 1,111 -113 | 1,000 -25 |
| 2018-19 | 1,677 -434 | 765 -346 | 912 -88 |
| 2019-20 | 1,761 84 | 847 82 | 914 2 |
| 2020-21 | 1,276 -485 | 552 -295 | 724 -190 |
| 2021-22 | 1,329 53 | 656 104 | 673 -51 |
| 2022-23 | 1,204 -125 | 611 -45 | 593 -80 |
| 2023-24 | 1,430 226 | 734 123 | 696 103 |
| 2024-25 | 1,575 145 | 815 81 | 760 64 |
| Average | 1,682 | 847 | 835 |
The percentage of white students is 58.29%. The percentage was 57.15% 10 years ago and C of the Siskiyous still has a high percentage of white students. 2.22% of enrolled students is Asian and 2.73% is black students. Hispanic students comprise 19.11% of the student body.
Over the past 10 years, the racial composition has shifted. The percentage of white students increased from 57.15% to 58.29%. Asian enrollment declined from 5.99% to 2.22%. Black student enrollment decreased from 5.90% to 2.73%. Hispanic student representation expanded from 14.16% to 19.11%.
The overall racial diversity, measured by the Census Bureau Diversity Index, is 0.6129 which indicates that moderately diverse. This decreased from 0.6414 a decade ago, suggesting that racial diversity has declined.
The following table and chart illustrate the student population trends by race/ethnicity at College of the Siskiyous over the past 11 years (2015-2025).
| Year | American Indian or Native American | Asian | Black | Hispanic | Native Hawaiian or Other Pacific Islander | White | Two or More Races |
|---|---|---|---|---|---|---|---|
| 2015-16 | 56 | 132 | 130 | 312 | 12 | 1,259 | 143 |
| 2016-17 | 64 | 140 | 103 | 360 | 13 | 1,292 | 147 |
| 2017-18 | 52 | 117 | 111 | 380 | 17 | 1,178 | 156 |
| 2018-19 | 48 | 46 | 72 | 296 | 11 | 1,018 | 137 |
| 2019-20 | 54 | 58 | 87 | 330 | 12 | 947 | 129 |
| 2020-21 | 40 | 24 | 54 | 263 | 6 | 738 | 103 |
| 2021-22 | 38 | 55 | 48 | 258 | 3 | 770 | 103 |
| 2022-23 | 37 | 28 | 41 | 251 | 3 | 697 | 88 |
| 2023-24 | 40 | 40 | 39 | 258 | 9 | 867 | 108 |
| 2024-25 | 40 | 35 | 43 | 301 | 15 | 918 | 148 |
| Average | 47 | 68 | 73 | 301 | 10 | 968 | 126 |
612 students are enrolled in online degree programs exclusively for the academic year 2024-2025, which is 39% of total students. The number of online students has increased 50.00% since 2015. The following table and chart illustrate the changes in the online student population by enrolled type at College of the Siskiyous from 2015 to 2025.
| Year | Total Enrollment | Online Completely | Enrolled in Some Online Courses | Not Enrolled in Online Courses |
|---|---|---|---|---|
| 2015-16 | 2,203 | 408 | 608 | 1,187 |
| 2016-17 | 2,249 | 348 | 635 | 1,266 |
| 2017-18 | 2,111 | 353 | 627 | 1,131 |
| 2018-19 | 1,677 | 367 | 664 | 646 |
| 2019-20 | 1,761 | 403 | 667 | 691 |
| 2020-21 | 1,276 | 652 | 377 | 247 |
| 2021-22 | 1,329 | 611 | 296 | 422 |
| 2022-23 | 1,204 | 519 | 326 | 359 |
| 2023-24 | 1,430 | 526 | 366 | 538 |
| 2024-25 | 1,575 | 612 | 385 | 578 |
| Average | 1,682 | 480 | 495 | 707 |
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