College Basketball Rules (NCAA)
If your kid is good enough (and passionate enough) to play college basketball, the rules change again. The NCAA governs college basketball across all divisions, and there are meaningful differences from both high school and the NBA.
Court & Equipment
| Detail | NCAA | vs. High School | vs. NBA |
|---|---|---|---|
| Court size | 94’ × 50’ | Longer (+10 feet) | Same |
| Basket height | 10 feet | Same | Same |
| Ball size (men) | Size 7 (29.5”) | Same | Same |
| Ball size (women) | Size 6 (28.5”) | Same | Same |
| 3-point line | 22’1¾” | Farther (+2’4”) | Closer than NBA |
| Key (lane) width | 12 feet | Same | Narrower than NBA (16’) |
| Restricted area arc | 3 ft radius | N/A | Smaller than NBA (4’) |
Game Structure
| Detail | NCAA Men | NCAA Women |
|---|---|---|
| Game length | Two 20-minute halves (40 min total) | Four 10-minute quarters (40 min total) |
| Shot clock | 30 seconds | 30 seconds |
| Shot clock reset (offensive rebound) | 20 seconds | 20 seconds |
| Overtime | 5-minute periods | 5-minute periods |
| Timeouts | 4 timeouts per game (includes media timeouts) | 4 timeouts per game |
Key Differences From High School
Shot clock is mandatory. College basketball uses a 30-second shot clock (compared to the optional 35-second clock in high school). This makes the game significantly faster.
The 3-point line is farther back. At 22’1¾” from the basket, the college three-pointer is over 2 feet farther than the high school line (19’9”). This is one of the biggest adjustments for freshmen.
Halves, not quarters (men). Men’s college basketball plays two 20-minute halves rather than four quarters. Women’s college basketball switched to four 10-minute quarters starting in the 2015-16 season.
Possession arrow. Like high school, college uses the alternating possession arrow for jump-ball situations (no actual jump balls except at the start of each half/overtime).
Coach’s challenge (new for 2025-26). Starting in 2025-26, coaches can request an instant replay review of certain plays, provided their team has a timeout available.
Fouls
Players foul out after 5 personal fouls (compared to 6 in the NBA). The bonus kicks in after the 5th team foul per half — the opposing team shoots two free throws for every subsequent foul.
What This Means for Your Kid
If your child is being recruited or hopes to play college ball, understanding these rule differences early helps with the transition. The bigger court, faster shot clock, and longer three-point line are the most impactful changes. Encourage your high school player to practice shooting from college range and playing at a faster pace.
Related pages
- High School Rules — the rules your kid plays under now
- Professional Rules (NBA) — the version they see on TV
- Strategy: Watch Classic Games — learn from the best college and pro games