Colleges once counted on a steady flow of 18-year-olds. That stream has slowed. In its place, a different group has started showing up in greater numbers: adults who left campus years ago with some credits but no diploma.

The shift matters. More than 40 million Americans carry partial college transcripts yet hold no credential. Many sit just a handful of courses short of an associate degree. Others need far more. Either way, they represent both a challenge and an opportunity for institutions desperate to stabilize enrollment.

Fortune reported this week that while Gen Z voices doubts about the value of a bachelor’s degree, older learners keep coming back. Their reasons prove practical. Career advancement. Higher pay. The simple desire to finish what they started. Yet barriers remain high. Work. Family. Money. Outdated contact information that makes outreach difficult.

Recent experiments show targeted help can move the needle. Last week MDRC released results from a randomized study of REACT, short for Re-Enrollment and Completion Team. The program combined persistent outreach, dedicated advising, and tuition waivers for students within 15 credits of an associate degree at community colleges.

The outcomes surprised few researchers but pleased them. Twenty-four percent of students offered REACT services reenrolled. Only 15 percent in the control group did the same. Among the first cohort tracked further, 5 percent of REACT participants earned an associate degree in their first semester back. The control group managed 2.7 percent. “Many stopped-out students are already close to completing a degree,” said Colleen Sommo, MDRC senior fellow and lead author. “These findings show that with the right combination of outreach, advising, and financial support, colleges can help more of those students return and graduate.”

But success demands more than good intentions. Data compiled by Gitnux paints a sobering picture. Adult learners who earn credit for prior learning finish degrees at a 17 percent higher rate. Yet many never claim those credits. Forty percent cite work-family balance as the reason they ultimately walk away again. Hybrid formats appeal to 61 percent. Fast-track programs boast 70 percent completion. Standard community college paths for this group hover near 26 percent.

California Competes spoke with more than two dozen adults who had stopped out and later returned. Their stories revealed value that extends past paychecks. Improved public speaking. Sharper time management. Better problem-solving. One researcher heard repeatedly how newfound confidence translated directly into workplace action. “A lot of the personal and social benefits that students developed were directly connected to the economic outcomes,” Emi Fujita-Conrads told EdSource. “Students talked about how improved self-confidence led them to apply for a promotion.”

Six million Californians between 24 and 54 hold some college credits but no degree. Similar numbers exist nationwide. States have responded with tuition-free reconnect programs, last-dollar scholarships, and centralized adult learner offices. New York’s SUNY Reconnect recently expanded to let degree holders return for free in high-demand fields starting in 2027. Michigan centralized efforts through a dedicated lifelong learning office. New Jersey paired outreach with wraparound services.

Yet a ReUp Education analysis released earlier this year found most states still rely on fragmented, short-term projects rather than coordinated strategies. Contact information for stopped-out students proves stale 25 to 40 percent of the time. On average, successful re-enrollment requires 29 touchpoints stretched across six to 18 months. Outreach alone rarely suffices. Dedicated coaching from people who understand the experience helps close the gap.

Institutions that treat adult learners as the exception rather than the new normal risk falling behind. Research from the University of Kansas and Florida International University suggests older students, full-time workers, commuters, and those with dependents can show stronger persistence in certain programs when given proper support. Their average GPA sometimes exceeds that of traditional students. Retention rates in well-designed online and hybrid options reach 90 percent, as seen in the University of North Carolina system’s Project Kitty Hawk, which grew 54 percent in one year.

Still, first-time adult enrollment dropped 15.5 percent last fall after years of post-pandemic growth. Some experts call it a correction. Others worry it signals deeper trouble as demographic declines bite harder. The adults who do return often juggle full-time jobs. Seventy-eight percent work while enrolled. Forty percent serve as primary caregivers. Their schedules demand flexibility that many campuses still struggle to provide.

Prior learning assessment offers one clear lever. Students who receive it save an average of nine to 14 months and thousands of dollars. Credit policies that refuse to let old transcripts expire remove another obstacle. So do debt forgiveness programs and streamlined readmission processes. Morgan State University’s Morgan Completes You initiative accepts credits regardless of age and lets prospects see how prior work applies before formal evaluation.

The economic case grows clearer each year. Adults who finish degrees earn slightly more five years out than traditional graduates in some datasets. Communities gain workers with updated skills. Employers fill gaps in fields strained by technological change. Yet the personal stories matter too. Veterans. Parents. Career changers. People who simply want to prove something to themselves.

Colleges face a choice. They can continue designing primarily for the 18-year-old who arrives straight from high school, lives on campus, and graduates in four years. Or they can redesign systems around the students who now fill a growing share of seats. The data suggests the latter group responds when institutions listen. When support arrives early and often. When schedules bend. When credits transfer cleanly and prior experience counts.

REACT didn’t transform every participant into a graduate overnight. But it doubled degree attainment in the first semester for those closest to the finish line. Similar targeted efforts in other states have lifted reenrollment and persistence. The pattern repeats. Stopped-out students want to return. Many need help finding the door and walking through it.

As traditional enrollment shrinks, that door matters more than ever. The adults on the other side hold credits, experience, and motivation. They also hold the key to financial stability for many institutions. The question is whether colleges will build the structures that let them succeed. Early evidence says targeted, persistent, learner-centered approaches work. The scale of the opportunity suggests they must.