A Decade of Data in Tennessee Shows an Unexpected Result When Colleges Drop Remedial Courses


“The evidence is showing that these reforms are not increasing graduation rates,” said Alex Goudas, a higher education researcher and a community college professor at Delta College in Michigan, who was not involved in this study. “Some students are benefiting a little bit — only temporarily —  and other students are harmed permanently.”

It seems like a paradox. Students are initially passing more courses, but are also more likely to drop out and less likely to earn credentials. Florence Xiaotao Ran, an assistant professor at the University of Delaware and the lead researcher on the Tennessee study, explained to me that the dropouts appear to be different types of students than the ones earning more credits. Students with somewhat higher ACT test scores in high school, who were close to the old remedial ed cutoff of 19 points (out of 36) and scoring near the 50th percentile nationally, were more likely to succeed in passing the new corequisite courses straight away. Some students who were far below this threshold also passed the corequisite courses, but many more failed. Students below the 10th percentile (13 and below on the ACT) dropped out in greater numbers and were less likely to earn a short-term certificate. 

Data from other states shows a similar pattern. In California, which largely eliminated remedial education in 2019, failure rates in introductory college-level math courses soared, even as more students also succeeded in passing these courses, according to a study of an Hispanic-serving two-year college in southern California

Ran’s Tennessee analysis has two important implications. The new corequisite courses – as they currently operate – aren’t working well for the lowest achieving students. And the change isn’t even helping students who are now able to earn more college credits during the first year or two of college. They’re still struggling to graduate and are not earning a college degree any faster.

Some critics of corequisite reforms, such as Delta College’s Goudas, argue that some form of remedial education needs to be reintroduced for students who lack basic math, reading and writing skills. 

Meanwhile, supporters of the reforms believe that corequisite courses need to be improved. Thomas Brock, director of the Community College Research Center (CCRC) at Teachers College, Columbia University, described the higher dropout rates and falling number of credentials in the Tennessee study as “troubling.” But he says that the old remedial ed system failed too many students. (The Hechinger Report is an independent news organization, also based at Teachers College but is unaffiliated with CCRC.)

“The answer is not to go back,” said Brock, “but to double down on corequisites and offer students more support,” acknowledging that some students need more time to build the skills they lack. Brock believes this skill-building can happen simultaneously as students earn college credits and not as a preliminary stepping stone. “No student comes to college to take remedial courses,” he added.

One confounding issue is that corequisite classes come in so many different forms. In some cases, students get a double dose of math or English with three credit hours of a remedial class taken concurrently with three credit hours of a college-level course. A more common approach is to tack on an extra hour or so to the college class. In her analysis, Ran discovered that instructional time was cut in half for the weakest students, who received many more hours of math or writing instruction under the old remedial system.

“In the new scenario, everyone gets the same amount of instruction or developmental material, regardless if you are just one point below the cutoff or 10 points below the cutoff,” said Ran.

There are also big differences in what takes place during the extra support time that’s built into a corequisite course. Some colleges offer tutoring centers to help students fill in their knowledge gaps. Others schedule computer lab time where students practice math problems on educational software. Another option is extended class time, where the main professor teaches the same material that’s in the college level course only more slowly, spread across four hours a week instead of the usual three.

Overcoming weak foundational skills is not the only obstacle that community college students face. The researchers I interviewed emphasized that these students are struggling to juggle work and family responsibilities along with their classes, and they need more support – academic advising, career counseling and sometimes therapy and financial help. Without additional support, students get derailed. This may explain why the benefits of early credit accumulation fade out and are not yet translating into higher graduation rates. 

Even before the pandemic, the vast majority of community college students arrived on campus without a strong enough foundation for regular college-credit bearing classes and were steered to either remedial or new corequisite classes. High school achievement levels have deteriorated further since 2020, when the data in Ran’s study ended. “It’s not their fault,” said Ran. “It’s the K-12 system that failed them.”

That’s why it’s more important now than ever to figure out how to help under-prepared college students if we want to improve post-secondary education. 





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