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Cheapest Colleges in Idaho 2026

College of Southern Idaho leads this list with an average net price of $6,095 per year. EduGradify shows 12 colleges here after checking federal net-price and earnings data.

The lowest-net-price colleges in Idaho that report federal earnings.

Schools ranked
12
Cheapest net price
$6,095
Top earnings 10y
$54,670
Public / Private
7 / 3

How we picked this list

This list starts with Idaho colleges, removes schools without usable net-price data, then sorts from lowest average net price upward. The set's average EduGradify ROI score is 7.69 (7 public, 3 private).

Source transparency: every figure comes from the U.S. Department of Education College Scorecard public data set. See our full methodology for the ROI formula, value grade rules and missing-data handling.

Related lists

All EduGradify rankings → All Idaho colleges → Highest ROI colleges nationwide →Cheapest US colleges →Best public colleges by ROI →Best private colleges by ROI →Best Idaho colleges by ROI →

FAQ

Who leads this ranking?

College of Southern Idaho in Twin Falls, ID tops this ranking. Average net price is $6,095 per year.

How does EduGradify pick this list?

We rank this set by net price/yr using the U.S. Department of Education College Scorecard — see our methodology for the full formula. No paid placements, no surveys.

How many Idaho colleges are in this list?

12 Idaho colleges qualified for this ranking based on available federal data.

What does net price mean here?

Net price is what students actually pay after grants and scholarships — not the sticker price. It is reported by each college to the U.S. Department of Education.

Can I use this ranking as a final college decision?

Use it as a shortlist, not a final decision. The ranking compares school-wide federal data; you should still confirm program fit, aid letters, graduation path, transfer policies and current costs with each college.