How Many Division I Basketball Teams Are There? (2025)

How Many Division I Basketball Teams Are There? (2025)

By Sarah Miller ·

There are currently 364 NCAA Division I men's basketball teams in the United States, representing the highest level of collegiate basketball competition.

Understanding NCAA Division I Basketball

The NCAA Division I is the top competitive tier in college basketball, featuring the most elite programs, largest schools, and highest level of athletic scholarships. These teams compete in one of 32 conferences and participate annually in the NCAA Men's Basketball Tournament, commonly known as March Madness.

What Defines a Division I Team?

Structure of Division I Basketball

Division I basketball is organized into athletic conferences that group schools geographically and competitively. Each conference operates its own regular-season schedule and postseason tournament, with automatic bids to the NCAA Tournament awarded to conference champions.

Major Conferences in Division I

Current Number of Division I Teams: Detailed Breakdown

The total number of Division I basketball teams fluctuates slightly each year due to program upgrades, conference realignment, and new school additions. As of the 2024–2025 season, there are 364 active teams.

Conference Number of Teams Notable Schools
ACC 15 Duke, North Carolina, Clemson
Big Ten 18 Michigan State, Purdue, UCLA
Big 12 16 Kentucky, Kansas, Houston
SEC 16 Kentucky, Alabama, Tennessee
Big East 11 UConn, Villanova, Marquette
American Athletic 14 Memphis, UAB, Temple
Pac-12 8 USC, Oregon, Stanford
Mountain West 12 San Diego State, Boise State
West Coast Conference 10 Gonzaga, BYU, Saint Mary's
Other Conferences (22) 194 Middle Tennessee, Vermont, Norfolk State
Total 364 NCAA Division I
Table data source:1, 2

The distribution shows that while power conferences like the Big Ten and ACC dominate media attention, the majority of Division I teams compete in smaller or mid-major conferences. Conference realignment has increased team counts in major leagues, especially with recent additions from the Pac-12 to the Big Ten and ACC.

How Teams Are Classified Within Division I

Division I teams are further categorized based on competitiveness, resources, and historical performance:

This classification affects tournament selection, seeding, and national exposure.

Frequently Asked Questions About Division I Basketball Teams

How many Division I basketball teams are there in 2025?

As of the 2024–2025 season, there are 364 NCAA Division I men's basketball teams across the United States.

How many teams make the NCAA March Madness Tournament?

The NCAA Tournament includes 68 teams, with 32 earning automatic bids by winning their conference tournaments and 36 selected at-large by the NCAA Selection Committee.

Which conference has the most Division I basketball teams?

No single conference dominates in size, but the Big Ten leads with 18 teams as of 2025, following expansion with schools like USC and UCLA.

Can a school move from Division II to Division I?

Yes, schools can reclassify from Division II to Division I, but the transition takes four years during which the team is not eligible for the NCAA Tournament.

Are all Division I teams eligible for March Madness?

All Division I teams are eligible to qualify, but only 68 out of 364 teams are selected each year based on performance, rankings, and committee evaluation.