by our College Data Analytics TeamHere is what you can expect to pay at California Polytechnic State University-San Luis Obispo, from the published cost of attendance and projected degree cost through to net price, median student debt at graduation, default outcomes, and how aid varies by family income.
Want a specific number? Skip ahead to any section using the links below:
The full cost of attending California Polytechnic State U-San Luis Obispo fell between $29,918.00 ranging to $50,987.00 depending on whether you qualify for in-state rates.
Residency made the difference: in-state students paid the lower rate and out-of-state students the higher rate: close to $29,918.00 in-state versus $50,987.00 for non-residents.
The blocks below show what you would pay with no aid, with average aid, and as a low-income student.
| Tuition and fees | $13,596.00 |
| + Room, board & other expenses | $16,322.00 |
| Total cost | $29,918.00 |
| That is 55% above the national average net price. |
| Total cost | $29,918.00 |
| − Grants and scholarships | −$15,600.00 |
| Net price | $14,318.00 |
| That is 26% below the national average net price. |
| Total cost | $29,918.00 |
| − Grants and scholarships | −$24,736.00 |
| Net price | $5,182.00 |
| That is 73% below the national average net price. |
| Tuition and fees | $34,665.00 |
| + Room, board & other expenses | $16,322.00 |
| Total cost | $50,987.00 |
| That is 165% above the national average net price. |
| Total cost | $50,987.00 |
| − Grants and scholarships | −$15,600.00 |
| Net price | $35,387.00 |
| That is 84% above the national average net price. |
| Total cost | $50,987.00 |
| − Grants and scholarships | −$24,736.00 |
| Net price | $26,251.00 |
| That is 36% above the national average net price. | |
| For the full breakdown, see the tuition & fees page plus living costs. |
Published costs have climbed year over year by roughly 7.4% per year, so the four-year total runs well above today’s cost. The tables below project the cost forward across a full degree, side by side for a low-income student with aid, a typical student with average aid, and a student paying full sticker price with no aid. The repayment figures use a ten-year loan at 6.8%.
| Projected 4-year net costs | Low Income w/ Aid | w/ Average Aid | No Aid |
|---|---|---|---|
| Annual growth rate | 7.4% | 7.4% | 7.4% |
| Freshman year | $5,563.00 | $15,372.00 | $32,120.00 |
| Senior year | $6,884.00 | $19,022.00 | $39,747.00 |
| Total 4-year net price | $24,833.00 | $68,615.00 | $143,373.00 |
| 10-year loan interest @ 6.8% | $9,461.00 | $26,140.00 | $54,620.00 |
| Total monthly payment | $286.00 | $790.00 | $1,650.00 |
| Total amount paid | $34,294.00 | $94,754.00 | $197,993.00 |
| Projected 2-year net costs | Low Income w/ Aid | w/ Average Aid | No Aid |
|---|---|---|---|
| Annual growth rate | 7.4% | 7.4% | 7.4% |
| Freshman year | $5,563.00 | $15,372.00 | $32,120.00 |
| Senior year | $5,973.00 | $16,503.00 | $34,484.00 |
| Total 2-year net price | $11,536.00 | $31,875.00 | $66,604.00 |
| 10-year loan interest @ 6.8% | $4,395.00 | $12,143.00 | $25,374.00 |
| Total monthly payment | $133.00 | $367.00 | $766.00 |
| Total amount paid | $15,931.00 | $44,018.00 | $91,978.00 |
| Projected 4-year net costs | Low Income w/ Aid | w/ Average Aid | No Aid |
|---|---|---|---|
| Annual growth rate | 7.4% | 7.4% | 7.4% |
| Freshman year | $28,183.00 | $37,992.00 | $54,740.00 |
| Senior year | $34,875.00 | $47,013.00 | $67,738.00 |
| Total 4-year net price | $125,800.00 | $169,582.00 | $244,340.00 |
| 10-year loan interest @ 6.8% | $47,925.00 | $64,605.00 | $93,085.00 |
| Total monthly payment | $1,448.00 | $1,952.00 | $2,812.00 |
| Total amount paid | $173,725.00 | $234,186.00 | $337,425.00 |
| Projected 2-year net costs | Low Income w/ Aid | w/ Average Aid | No Aid |
|---|---|---|---|
| Annual growth rate | 7.4% | 7.4% | 7.4% |
| Freshman year | $28,183.00 | $37,992.00 | $54,740.00 |
| Senior year | $30,257.00 | $40,788.00 | $58,769.00 |
| Total 2-year net price | $58,440.00 | $78,779.00 | $113,508.00 |
| 10-year loan interest @ 6.8% | $22,264.00 | $30,012.00 | $43,243.00 |
| Total monthly payment | $673.00 | $907.00 | $1,306.00 |
| Total amount paid | $80,704.00 | $108,791.00 | $156,751.00 |
See the full net-price breakdown in the net price section below.
The net price is the real out-of-pocket cost — what families pay after grant and scholarship aid is applied. This is the more honest cost figure for most families, since it accounts for institutional and federal aid.
| Average net price (on-campus) | $16,665.00 |
| Average net price (off-campus) | $15,624.00 |
Net price varies sharply by family income, dropping as need-based aid grows. The table below shows the average net price by family-income bracket:
| Family income | Average net price |
|---|---|
| Under $30,000 | $6,476.00 |
| $30,000 to $48,000 | $6,904.00 |
| $48,001 to $75,000 | $11,372.00 |
| $75,001 to $110,000 | $18,032.00 |
| Over $110,000 | $26,920.00 |
Run your own numbers with the California Polytechnic State University-San Luis Obispo Net Price Calculator, or reach out to the financial aid office.
Want to know how that aid is awarded? See the financial aid breakdown.
Median graduate debt at California Polytechnic State U-San Luis Obispo stands at $15,396.00, placing the school in the Low ($10-20k) debt-load classification.
The percentile breakdown reveals the full debt landscape:
| Percentile | Debt at graduation |
|---|---|
| 10th | $4,743.00 |
| 25th | $7,500.00 |
| Median (50th) | $15,396.00 |
| 75th | $25,000.00 |
| 90th | $30,000.00 |
The 10th-to-90th-percentile spread is one signal of how variable debt outcomes are across the student body.
Explore borrowing, repayment, and default in detail on the student-loan-debt breakdown.
Median debt at graduation differs meaningfully across income brackets. The figures below split graduating borrowers into three income brackets:
| Family income | Median debt at graduation |
|---|---|
| Low income | $15,000.00 |
| Middle income | $15,911.00 |
| High income | $15,450.00 |
First-generation college students often carry different debt loads than their continuing-generation peers.
| Student group | Median debt at graduation |
|---|---|
| First-generation students | $15,095.00 |
| Continuing-generation students | $15,569.00 |
The Pell Grant is the largest federal grant for undergraduates from low-income families. Pell vs non-Pell comparisons surface how debt breaks down by need.
The Pell-versus-non-Pell median debt difference at California Polytechnic State U-San Luis Obispo is $1,446.00. This school is flagged by the Department of Education for Pell-related debt inequity.
The Department of Education default-rate tier for California Polytechnic State U-San Luis Obispo is Low (<5%).
| Window | Cohort default rate |
|---|---|
| 2-year | 2.0% |
For scale, federal Stafford loan disbursements at California Polytechnic State U-San Luis Obispo come to $462,613,029.00 distributed across 29,157 loan recipients.
Veterans and active-duty students can access dedicated federal education aid including the GI Bill and Department of Defense tuition support.
| GI Bill recipients | 144 |
| Avg GI Bill amount | $6,440.00 |
| DoD Tuition Assistance recipients | 3 |
| Avg DoD Tuition Assistance | $2,166.00 |
For the full rundown of veteran and military benefits, see the college veterans page.
The data above is a foundation; round it out by asking yourself about California Polytechnic State U-San Luis Obispo, think through the questions below:
Use the pages below to go deeper on a specific part of the cost story:
Data sources. Figures on this page draw from the U.S. Department of Education College Scorecard, the Integrated Postsecondary Education Data System (IPEDS), and MediaFactual editorial review. Net-price calculator and financial-aid office links are taken from the institution’s own published data.