
College of Southern Idaho (CSI) was established in 1965 as a public community college serving Twin Falls and the surrounding region. Its continuing emphasis on both university-transfer coursework and career education reflects that original regional purpose.
CSI has expanded beyond traditional college-age enrollment to serve working adults and high school students taking college-level courses. That mix matters when evaluating the institution: its enrollment includes people pursuing different goals, from an associate degree to a short-term workforce credential or an early start on college.
CSI offers associate degrees, certificates, and other undergraduate coursework rather than a broad range of bachelor's or graduate degrees. Students can pursue transfer-oriented studies alongside career and technical programs.
Its academic offerings span subjects such as business, agriculture, the arts and humanities, science and mathematics, health professions, and technical trades. Nursing and other health programs may have separate admissions requirements or limited clinical placements. A student planning to transfer should choose courses against the requirements of the intended four-year institution, not assume that every CSI credential is designed for transfer.
The reported student-to-faculty ratio is 25 to 1. That institution-wide measure is not a promise about the size of a particular laboratory, lecture, or clinical course.
CSI's main campus is in Twin Falls, Idaho, in the state's Magic Valley region. It serves a largely regional student population, making travel time and course location practical considerations for many applicants.
Students should check whether required classes meet on the Twin Falls campus, at another CSI instructional location, or online. Driving may be important for students whose schedules combine classes, work, and clinical or technical training. Sun Valley Regional Airport serves the wider area, but students planning regular travel should compare its routes with their actual transportation needs.
CSI's stated educational purpose centers on accessible learning, transfer preparation, workforce education, and service to its region. As a public community college, it is not organized around a religious affiliation.
That purpose helps explain its range of students and programs: a high school student earning college credit, an adult retraining for work, and a student preparing for a bachelor's degree may all use CSI differently. The mission describes institutional priorities; whether a particular program meets a student's needs depends on its curriculum, scheduling, support, and outcomes.
Name of the institution
College of Southern IdahoLevel of institution
Four or more yearsControl of institution
PublicSetting type
City: SmallInstitutional Category
Degree - granting, not primarily baccalaureate or aboveInstitution size category
10,000 - 19,999School type
Two-year collegeMain student body
CoeducationalCalendar system
SemestersFoundation year
1964College of Southern Idaho is institutionally accredited by the Northwest Commission on Colleges and Universities, an accrediting agency recognized by the U.S. Department of Education. Accreditation confirms that the school meets quality standards and is required for students to receive federal financial aid.
Certificate of less than 1 year
Certificate of at least 1 year, but less than 2 years
Associate's degree
Bachelor's degreeData last updated on November 2, 2026
Data sources: IPEDS 2024-25, Peterson 2026, College Scorecard 10/2026, Clery 2024 (2023-24), OpenAlex 2026
Figures on this profile come from federal and third-party datasets in the editions listed above and are refreshed periodically, so they may differ from what the institution currently reports. Confirm costs, deadlines and requirements with the school before making decisions.