Video: Jalen Green - junior highlights
 The California standout is headed to Prolific Prep for his senior season.
Much like NBA free agency, the high school basketball transfer season is a major factor in shaping the landscape of each season. And just like Kawhi Leonard and Kevin Durant shook up the NBA, there are a handful of prep transfers who can remake the shape of a team instantly. 
While there is sure to be plenty more movement before next season begins, here is our first installment of the impact transfer list for high school hoops.
Top 10 impact transfers in high school basketball for 2019
From: Rainer Beach (Seattle)
Impact: The 6-foot-6 wing will be the immediate catalyst for an up-and-coming Bella Vista Prep program next season after averaging 26 points, 11 rebounds and five assists as a junior.
From: Oak Hill Academy (Mouth of Wilson, Va.)
Impact: After one season at Oak Hill Academy, the 6-8 forward is expected to join the defending GHSAA Class AAAAAAA champions to team up with defending MaxPreps Player of the Year 
Sharife Cooper.
 
From: Findlay Prep (Henderson, Nev.)
Impact: After perennial powerhouse Findlay Prep closed its doors, the 6-8 wing had no choice but to find a new school. The 5-star chose to join 
Kyree Walker and 
Dalen Terry on a stacked Bruins squad.
 
To: Hillcrest Prep (Phoenix)
From: Washington (Milwaukee) 
Impact: Regarded as a Top 10 player in the class of 2021 by 247sports, the 6-9 forward is headed West to join the aforementioned Edwards and Co. at Hillcrest Prep.
Impact: The elite 6-5 guard is the biggest name on the transfer market and plans to join a Prolific Prep squad that continues its rise to national prominence.
From: Findlay Prep 
Impact: After initially announcing he would be attending Hillcrest Prep, the 6-3 guard decided to head farther west to join a Fairfax squad that finished No. 48 in our final Top 100 rankings last year.
Impact: After losing the bulk of their contributions from last season, the Lakers add the highly regarded international prospect. The 6-7 wing is expected to make an immediate impact in the states.
Impact: The Buffaloes had a busy summer, adding Stone among a handful of talented prospects. The Top 100 guard will be expected to lead a deep roster looking to return to GEICO Nationals next year.
Other Notable Transfers
2020 
Zeb Jackson to Montverde (Montverde, Fla.) from Maumee Valley Country Day (Toledo, Ohio) 
2020 
Dillon Jones to Sunrise Christian Academy (Bel Aire, Kan.) from Keenan (Columbia, S.C.) 
2021 
Zachary Clemence to Sunrise Christian Academy (Bel Aire, Kan.) from Findlay Prep (Henderson, Nev.)
2021 
Byron Ireland to St. Frances Academy (Baltimore) from Annapolis (Md.) 
2021 
Lynn Kidd to Sunrise Christian Academy (Bel Aire, Kan.) from The Rock (Gainesville, Fla.) 
2021 
Jalen Ricks to Oak Hill Academy (Mouth of Wilson, Va.) from Sylvan Hills (Sherwood, Ark.)

Dylan Cardwell is slated to join MaxPreps Player of the Year Sharife Cooper and McEachern next season.
File photo by Steven Ryan