Sienna Betts, | Prep Girls Hoops

Sienna Betts

Power Forward

2025 Class

6'5" Height

Grandview School

State Rank
Position Rank

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About Sienna

Sienna Betts is a 6'5" Power Forward in the 2025 class. Betts attends Grandview in Colorado. Betts's Player Profile was created on November 17, 2021. Subscribe to Prep Girls Hoops to see where Sienna Betts is ranked and what our scouts have written about them.

Expert Analysis

Logan Benson

Prep Girls Hoops Scout

Sienna Betts Sienna Betts 6'5" | PF Grandview | 2025 State CO continues to showcase why she’s the best player in the state of Colorado. Betts effortlessly sends shots away on defense at 6’5, and consistently comes between passing lanes to tally on steals. In the paint, Betts is rock solid and disciplined on both ends of the floor. As the driving force for Grandview, expect Betts to take over the Final Four and give it all she has to finish her high school career with a state title.

1 year ago

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Logan Benson

Prep Girls Hoops Scout

Sienna Betts Sienna Betts 6'5" | PF Grandview | 2025 State CO is a superstar who can get any look she wants on the hardwood. Betts, averaging 23.8 points, 16.8 rebounds and 4.8 assists per game, has looked tremendous thus far in the regular season. This is Betts’ last rodeo in her high school career, so expect for her to make some serious noise come postseason.

1 year ago

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Brandyn Newbins

Prep Girls Hoops Lead Scout

Facing one of the most competitive schedules, Grandview’s Sienna Betts Sienna Betts 6'5" | PF Grandview | 2025 State CO ranks second in the state with 18 rebounds per game. Her defensive boards allow her to initiate fast breaks, showcasing her versatility. Offensively, Betts secures critical rebounds, often converting them into three-point plays. Her efforts have propelled Grandview to a solid 6-2 record at the season’s midpoint.

1 year ago

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Brandyn Newbins

Prep Girls Hoops Lead Scout

Facing the nation’s top-ranked team, Sienna refused to back down, delivering a dominant performance with 28 points and over 10 rebounds. She accounted for half of her team’s points through scoring and assists, showcasing her all-around game. Sienna controlled the backcourt, created opportunities in transition, and defended the paint with intensity. Her ability to step up in a high-stakes matchup highlighted her star power.

1 year ago

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Brandyn Newbins

Prep Girls Hoops Lead Scout

Coming off a stellar junior year where she was named Gatorade Player of the Year, Sienna enters her senior season stronger than ever. Known for her dominance in the paint, she averaged an imposing double-double last year and has only added to her arsenal. Her new three-point shot has made her a complete offensive threat, while her polished footwork and passing showcase her growth as a player. Sienna’s ability to play with her back to the basket and stretch the floor makes her a nightmare for opponents. With her leadership and skill set, she’s firmly at the forefront of the Player of the Year race.

1 year ago

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Brandyn Newbins

Prep Girls Hoops Lead Scout

Sienna is poised for another dominant season as she aims to lead Grandview to another state championship. A force in the post, she commands double teams and makes the right pass to keep the offense flowing. Defensively, she protects the rim with precision and isn’t afraid to start the fast break when necessary. With her improving three-point shot, Sienna continues to add layers to her already impressive game.

1 year ago

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Brandyn Newbins

Prep Girls Hoops Lead Scout

In her final year, Sienna is poised to showcase her talents both offensively and defensively. Her stats have improved each season, and this year is no exception. With a dangerous combination of low-post scoring and a newly sharpened three-point shot, Sienna will be a constant double-double threat. Her ability to crash the boards and dominate on both ends makes her a top threat every night.

2 years ago

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Aasim Sullivan

Prep Girls Hoops Scout

Betts is a highly versatile forward known for her ability to score both inside and from the perimeter. Her well-rounded offensive game allows her to adapt to various situations, making her a constant threat on the court. Whether finishing strong in the paint or knocking down outside shots, Betts consistently finds ways to contribute to her team’s success. Her all-around scoring ability and strategic playmaking have a significant impact on winning.

2 years ago

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Brandyn Newbins

Prep Girls Hoops Lead Scout

Sienna Betts Sienna Betts 6'5" | PF Grandview | 2025 State CO has established herself as one of the best players in the country, a reputation she has continued to uphold this summer. Whether it was winning Gold with the USA U18 team or carrying her Hardwood team when games got tough. Sienna showcased her efficiency in the paint, when guarded one on one. She also has a good midrange jumper she uses to keep the defense honest.

2 years ago

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Clayton Conover

Prep Girls Hoops Scout

#8 Grandview versus #25 Chatfield

The most dominant post presence in the state, Betts will yet again be tasked with large responsibility as a facilitator in the post. Always productive leveraging her blend of finesse and strength to create excellent scoring opportunities.

2 years ago