Quinn Costello
| The Newman School | |
|---|---|
| Position | Power forward |
| Personal information | |
| Nationality | American |
| Listed height | 6 ft 9 in (2.06 m) |
| Listed weight | 205 lb (93 kg) |
| Career information | |
| High school | The Newman School (Boston, Massachusetts) |
| College | Michigan (signee) |
| Career highlights | |
Quinn Costello is an American high school basketball player who attends The Newman School. He is a four-star recruit signed to play college basketball for the Michigan Wolverines.
High school career
Costello attends The Newman School in Boston, and the Middlesex Magic on the Under Armour Association circuit.[1] During his senior year, he averaged 16.4 points and 8.1 rebounds per game midseason.[2] On November 15, 2025, he scored 17 points and 15 rebounds for his first double-double of the season.[3] On November 22, 2025, he scored a career-high 36 points at the National Prep Showcase.[4][5]
On February 2, 2026 he was named to the 2026 McDonald's All-American Boys Game. He was Michigan's second McDonald's All-American in as many years, following Trey McKenney's selection in 2025, and the 25th overall in program history.[6]
Recruitment
On September 16, 2025, Costelllo committed to play college basketball for Michigan, over offers from Michigan State, Minnesota, North Carolina, Purdue and Texas.[7][8] He was rated as the No. 1 player in the state of Massachusetts by 247Sports and ESPN.[9][10] ESPN ranked Costello as a top 30 player overall in the nation.[11]
References
- ^ Garcia, Tony (January 5, 2026). "Michigan basketball top signee Quinn Costello 'excited' by U-M run". Detroit Free Press. Retrieved February 3, 2026.
- ^ Fuller, Ethann (February 2, 2026). "Newman's Quinn Costello earns McDonald's All-American honor". basketballjournal.com. Retrieved February 3, 2026.
- ^ "Basketball Recap: Newman AAA Starts Season with Win at Home". MaxPreps. November 15, 2025. Retrieved February 3, 2026.
- ^ "Basketball Recap: Newman AAA Sets Scoring Season-High Against Varsity Opponent". MaxPreps. November 22, 2025. Retrieved February 3, 2026.
- ^ Flinn, Brian (November 23, 2025). "2025 National Prep Showcase Saturday Fastbreak Five". madehoops.com. Retrieved February 3, 2026.
- ^ "Two future Spartans, one future Wolverine named McDonald's All-Americans". The Detroit News. February 2, 2026. Retrieved February 3, 2026.
- ^ London, Dushawn (September 16, 2025). "Michigan lands four-star forward Quinn Costello". 247sports.com. Retrieved February 3, 2026.
- ^ Hewitt, Steve (September 16, 2025). "Quinn Costello, 4-star national prospect, commits to Michigan". basketballjournal.com. Retrieved February 3, 2026.
- ^ Garcia, Tony (September 16, 2025). "Quinn Costello, 4-star forward, commits to Michigan basketball over Michigan State". Detroit Free Press. Retrieved February 3, 2026.
- ^ Martinez, Raul (January 19, 2026). "This Boston prep school has become a major powerhouse in basketball". NBC10 Boston. Retrieved February 3, 2026.
- ^ "Quinn Costello Recruiting Profile". ESPN.