nice i need to start squatting soon to increase my vert, does squatting help ALOT?

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Age: 16
Height: 5'11"
Standing Reach: 7'7"
Weight: 140
Standing vertical: 20~"
Running vertical: 28~"

Week 11 of AA3
Gains:
Around 7'

Goal:
35" RV before summer
40" RV before Grade 11