Gallup: The State of Higher Education 2024: 

Since 2020, Lumina Foundation and Gallup have partnered to produce the State of Higher Education study, an annual survey of thousands of U.S. adults without a college degree. Each year, Lumina and Gallup measure their attitudes toward education beyond high school, interest in pursuing a degree or credential, the barriers they face to enrolling or completion, and the experiences currently enrolled students report having in their programs. Read more.