
A Half-Day High School Basketball Intensive with Coach Charlie Miller
The season is here. Now it’s time to lock in.
The In Season Lock-In is a focused half day basketball intensive designed to help high school athletes sharpen their game, strengthen their mentality, and prepare to perform when the pressure is on.
Led by Coach Charlie Miller, this is more than another workout. Athletes will be challenged to train with purpose, compete with confidence, and understand what it takes to make an impact throughout the high school season.
This intensive is designed for high school basketball players who are:
Preparing for school tryouts or the start of their season
Competing for a roster spot, starting position, or larger role
Looking to improve their confidence and consistency
Ready to be challenged physically and mentally
Serious about making the most of their season
High-level skill development
Game-speed drills and competitive play
Situational decision-making
Finishing and scoring work
Mental performance coaching
Leadership and confidence development
Direct instruction and feedback from Coach Charlie Miller

Coach Charlie Miller’s journey began in South Miami, where relentless practice took him from a beginner shooting into a milk crate nailed to a tree to one of the nation’s top basketball players. He averaged 32 points per game at South Miami High School, became a McDonald’s All-American and Florida Gatorade Player of the Year, and earned a scholarship to play for legendary Coach Bob Knight at Indiana University. After representing Team USA and playing professionally in the U.S. and Europe, Charlie founded ATTACK Basketball and became a head coach with Breakthrough Basketball. He has trained thousands of athletes worldwide, teaching players to develop their skills, strengthen their mindset, play through mistakes, and become their own inner coach.
Coach Charlie Miller brings a high-level approach to player development, combining basketball instruction with the mental skills athletes need to perform under pressure.
His coaching challenges players to develop greater clarity, confidence, discipline, and purpose both on and off the court.
Playing with confidence and composure
Making faster decisions under pressure
Finishing through contact
Creating scoring opportunities
Competing with purpose
Communicating and leading on the court
Developing a strong in-season mindset
Understanding how to contribute beyond scoring