SIU Carbondale eliminates historic $80 million deficit as enrollment continues to grow

Southern Illinois University Carbondale is entering Fiscal Year 2027 with a balanced core operating budget and the completion of a years-long effort to eliminate a cash deficit that once reached approximately $80 million.

The SIU Board of Trustees unanimously approved Chancellor Austin A. Lane’s FY27 budget proposal on Sept. 17. The plan includes a balanced $197.6 million state appropriation and income fund budget, according to the university.

From an $80 million deficit to a balanced budget

SIU says its cash deficit grew to approximately $80 million during Illinois’ 2015-2017 state budget impasse, a period that created significant financial pressure across the state’s public university system.

Over the past six fiscal years, the university allocated an average of approximately $3 million annually toward reducing the remaining deficit. By the end of FY26, the outstanding balance had fallen to $921,783.

The FY27 budget completes repayment of that remaining balance, according to SIU, closing a financial gap that had affected the university for years. The university says its next financial priority will include rebuilding reserves.

Enrollment climbs above 12,000

The financial milestone comes as SIU Carbondale is also reporting continued enrollment growth.

Fall 2026 enrollment reached 12,066 students, up 281 students, or 2.4%, from fall 2025. SIU also reported that its incoming undergraduate class increased 16% to 1,779 students.

Growth was particularly notable among students from Southern Illinois. New undergraduate enrollment from the region increased 24%, while transfer enrollment increased 7% and online enrollment rose 14%, according to university figures.

Retention also improved. SIU reported that 73.9% of new students returned for their second year, an increase of 7.2 percentage points. University housing occupancy increased 7%.

SIU attributes part of the growth to expanded recruitment and retention efforts, including more than 20 “Takeover Tours” targeting prospective students, high schools and community colleges in more than 50 cities. A Southern Illinois recruitment tour earlier this year visited 51 high schools in 14 days.

Employees see raises and new investment

The FY27 budget also includes a 2% across-the-board salary increase for eligible non-represented employees and $2 million for additional salary adjustments.

SIU says those investments follow $3.3 million in salary increases during the previous year and the strategic hiring of 251 employees, including 125 faculty members, 65 administrative and professional employees and 61 civil service employees.

The university is also reporting increased research activity. During FY26, SIU secured 171 new awards totaling $34.9 million, while research proposals reached $187.9 million.

SIU also recently received a 10-year, $40 million Illinois Department of Transportation grant to study roadside ecology, which the university describes as the largest grant in its history.

What does SIU’s recovery mean for Carbondale?

SIU estimates its annual economic impact on Southern Illinois at approximately $2 billion.

As one of the region’s major institutions and employers, changes in SIU’s enrollment and financial position have implications beyond campus. More students can potentially increase demand for housing, restaurants, retail and other services in Carbondale, although the specific economic effect of this year’s enrollment increase has not yet been independently measured.

The university’s financial turnaround also raises a new question: Can SIU sustain its enrollment growth while rebuilding financial reserves after eliminating its historic deficit?

For Carbondale and the surrounding region, the answer will matter well beyond the university campus.