Microbiological Sciences and Immunology at Southern Illinois University-Carbondale
Bachelor's Degree
siu.eduAnalysis
A $38,000 starting salary for a microbiology and immunology degree—based on what similar programs across the country typically produce—isn't remarkable, but the estimated $22,000 in debt keeps this financially manageable. The debt-to-earnings ratio of 0.58 means graduates would likely finish paying off loans within a few years, assuming steady employment in their field. That's workable, though not exceptional.
The challenge is knowing how SIU-Carbondale's specific outcomes compare. With only two Illinois schools offering this program and no reported data from either, parents can't see whether the state's job market rewards these graduates differently than the national pattern suggests. STEM fields can vary dramatically by region—what works in Boston or San Diego doesn't always translate to southern Illinois. The $38,000 estimate represents a national median, meaning half of similar programs do better and half do worse.
Given the school's 90% admission rate and below-average test scores, this program attracts accessible education seekers rather than elite researchers. That's fine if your child plans to leverage the degree into graduate school or professional programs where a microbiology background matters. But if they're counting on the bachelor's alone to launch a career, push the career services office hard on placement rates and employer connections before committing. The estimated numbers suggest viability, but you're making this decision partly blind.
Where Southern Illinois University-Carbondale Stands
Earnings vs. debt across all microbiological sciences and immunology bachelors's programs nationally
Compare to Similar Programs Nationally
Microbiological Sciences and Immunology bachelors's programs at top institutions nationally
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| School | In-State Tuition | Earnings (1yr)* | Earnings (4yr) | Median Debt* | Debt/Earnings |
|---|---|---|---|---|---|
| $13,244 | $38,040* | — | $22,102* | — | |
| $7,424 | $56,071* | $73,604 | $24,120* | 0.43 | |
| $11,075 | $55,807* | — | $22,138* | 0.40 | |
| $9,651 | $54,290* | $46,419 | $25,464* | 0.47 | |
| $14,850 | $50,706* | — | $14,308* | 0.28 | |
| $11,205 | $49,186* | $54,549 | $23,480* | 0.48 | |
| 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 Southern Illinois University-Carbondale, approximately 37% 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.
Estimated Earnings: Actual earnings data is not available for this program (typically due to privacy thresholds when fewer than 30 graduates reported earnings). The estimate shown is based on the national median of 57 similar programs. Actual outcomes may vary.