Analysis
San Diego State's microbiology program delivers strong national performance—outearning 82% of similar programs across the country—but finds itself in the middle of California's competitive landscape. With first-year earnings of $45,360 and manageable debt of $15,500, graduates face a debt-to-earnings ratio of just 0.34, meaning they owe roughly four months' salary. That's a favorable starting position by any measure.
The challenge is context: California's microbiology programs generally pay well, and SDSU sits just below the state median of $46,005. Top state programs like SF State and Cal Poly SLO push into the mid-$50,000s, suggesting that school selection matters significantly for salary outcomes in this field. However, SDSU's lower debt load compared to the state average ($15,500 vs. $14,904) keeps the overall value proposition competitive.
The small sample size here—fewer than 30 graduates—means these numbers could shift substantially year to year. That said, the combination of below-average debt and above-average national earnings suggests this program prepares students adequately for entry-level positions without overloading them financially. For a family weighing options, SDSU offers solid value if the higher-earning California programs are out of reach, though students targeting research or clinical positions might benefit from investigating why peer programs command higher starting salaries.
Where San Diego State University Stands
Earnings vs. debt across all microbiological sciences and immunology bachelors's programs nationally
Earnings Distribution
How San Diego State University graduates compare to all programs nationally
Compare to Similar Programs in California
Microbiological Sciences and Immunology bachelors's programs at peer institutions in California (17 total in state)
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| School | In-State Tuition | Earnings (1yr) | Earnings (4yr) | Median Debt | Debt/Earnings |
|---|---|---|---|---|---|
| $8,290 | $45,360 | — | $15,500 | 0.34 | |
| $7,424 | $56,071 | $73,604 | $24,120 | 0.43 | |
| $11,075 | $55,807 | — | $22,138 | 0.40 | |
| $14,850 | $50,706 | — | $14,308 | 0.28 | |
| $8,064 | $49,068 | $50,964 | $24,572 | 0.50 | |
| $7,008 | $48,631 | — | — | — | |
| National Median | — | $38,040 | — | $21,868 | 0.57 |
Career Paths
Occupations commonly associated with microbiological sciences and immunology graduates
Natural Sciences Managers
Clinical Research Coordinators
Water Resource Specialists
Medical and Health Services Managers
Medical Scientists, Except Epidemiologists
Microbiologists
Epidemiologists
Biological Science Teachers, Postsecondary
Health Specialties Teachers, Postsecondary
Biological Technicians
Food Science Technicians
Biological Scientists, All Other
About This Data
Source: U.S. Department of Education College Scorecard (October 2025 release)
Population: Graduates who received federal financial aid (Title IV grants or loans). At San Diego State University, approximately 31% of students receive Pell grants. Students who did not receive federal aid are not included in these figures.
Earnings: Median earnings from IRS W-2 data for graduates who are employed and not enrolled in further education, measured 1 year after completion. Earnings are pre-tax and include wages, salaries, and self-employment income.
Debt: Median cumulative federal loan debt at graduation. Does not include private loans or Parent PLUS loans borrowed on behalf of students.
Sample Size: Based on 25 graduates with reported earnings and 27 graduates with debt data. Small samples may not be representative.