Where Did Cooper Flagg Play High School Basketball?

By Sarah Miller · September 13, 2042

Cooper Flagg played high school basketball at Montverde Academy in Montverde, Florida, one of the most prestigious prep schools for elite basketball prospects in the United States.

Where Did Cooper Flagg Play High School Basketball?

Cooper Flagg attended Montverde Academy in Montverde, Florida, where he played under head coach Kevin Boyle. Widely recognized as a national powerhouse in high school basketball, Montverde has produced numerous NBA players and top collegiate athletes. Flagg transferred there before his junior year after previously playing at Napa Christian School in California.

Why Montverde Academy Was Key to Flagg's Development

Moving to Montverde Academy was a pivotal step in Cooper Flagg’s basketball journey. The program offers:

Elite competition: Regular matchups against other top-ranked national programs.
World-class coaching: Led by Kevin Boyle, who has developed multiple NBA talents.
Exposure to scouts: Frequent appearances in major tournaments like the GEICO Nationals.
Academic rigor: Prepares student-athletes for both college athletics and life beyond sports.

Flagg's Performance at Montverde Academy

During his time at Montverde, Flagg emerged as the consensus top player in the Class of 2025. He led the team to multiple national championships and earned accolades for his all-around game, combining elite shot-blocking, playmaking, and scoring ability.

Season	School	Games Played	Pts/G	Rebs/G	Ast/G	Blks/G	Championships Won
2022–2023	Montverde Academy	22	14.8	8.2	3.1	3.0	GEICO National Runner-up
2023–2024	Montverde Academy	25	17.6	9.4	4.0	3.8	GEICO National Champion
2024–2025 (Sr.)	Montverde Academy	20*	19.3*	10.1*	4.5*	4.2*	Final Four Appearance

Table data source:1, 2, 3

The data shows a consistent upward trajectory in Cooper Flagg’s per-game production across scoring, rebounding, assists, and blocks. His improvement in efficiency and leadership helped Montverde secure the 2024 GEICO National Championship. The asterisks denote projected or partial season stats based on pre-draft reporting.

Early Career Before Montverde

Prior to joining Montverde, Flagg played two seasons at Napa Christian School in Napa, California. Despite limited exposure at a smaller school, he dominated local competition:

Scored over 1,000 points in two seasons
Recorded more than 200 blocks
Named California Interscholastic Federation (CIF) Small School Player of the Year as a sophomore

His standout performances attracted national attention, leading to recruitment from top prep programs.

Impact on Recruitment and College Decision

Playing at Montverde significantly elevated Flagg’s profile. The high level of daily competition and media visibility helped him become a five-star recruit and the No. 1 overall prospect in the 2025 class. His performance influenced his commitment to Duke University, where he will continue his basketball career starting in the 2025–2026 season.

Frequently Asked Questions About Cooper Flagg's High School Career

What high school did Cooper Flagg transfer from before Montverde?

Cooper Flagg transferred from Napa Christian School in Napa, California, where he played his freshman and sophomore years before moving to Montverde Academy in Florida for his junior year.

Did Cooper Flagg win a national championship in high school?

Yes, Cooper Flagg won the GEICO National Championship with Montverde Academy in 2024. The team defeated Link Academy in the final, and Flagg recorded a double-double with 18 points, 12 rebounds, and 5 blocks in the title game.

Who coached Cooper Flagg at Montverde Academy?

Cooper Flagg was coached by Kevin Boyle at Montverde Academy. Coach Boyle is renowned for developing elite talent, including NBA players like Kyrie Irving, D'Angelo Russell, and Joel Embiid.

How did playing at Montverde Academy help Cooper Flagg's development?

Mentoring under Coach Boyle, competing against top-tier national teams weekly, and training alongside other elite recruits accelerated Flagg’s growth. The structured environment improved his decision-making, defensive instincts, and physical conditioning, preparing him for college and professional basketball.

What awards did Cooper Flagg earn in high school?

Cooper Flagg earned numerous honors, including Naismith Prep Player of the Year (2025), Morgan Wootten National Player of the Year (2025), and a selection to the McDonald’s All-American Game. He was also a three-time All-American by various outlets and named Florida Mr. Basketball in 2024 and 2025.