Most high school athletes are either lifting too little to see real progress or piling on volume their bodies can't recover from. Here's what frequency actually looks like across the competitive year.
Parents and coaches ask me this every season: how many days a week should a high school athlete be in the weight room?
The honest answer is that it depends on where they are in the competitive year. The version of frequency that drives real development in the off-season is the wrong frequency for the middle of a competitive season. Treating it as a single number is how programs end up either stalling or breaking down.
Here's how I think about it, and what I tell the families I work with in the St. Louis area when their kid is starting to take training seriously.
Two to four sessions per week, depending on the phase of the year. Off-season runs three to four. Preseason runs two to three with more sport-specific demand creeping in. In-season is two, sometimes one if competition density is unusually high.
That range isn't arbitrary. It reflects the trade-off between providing enough stimulus to drive adaptation and leaving enough recovery for the rest of an athlete's life. High school athletes aren't training in a vacuum. They have school, sport practice, games, sleep, and their bodies are still growing. Frequency has to fit inside that picture, not bulldoze it.
The most common mistake I see in high school strength programs is undertraining. A single session a week, often tacked on at the end of practice, almost never produces meaningful change.
Strength adapts to repeated, progressive challenge. One session a week gives the body a single stimulus, then leaves five or six days for that stimulus to fade. The athletes who train this way often look stronger temporarily after a session and then return to their previous baseline by the next one. The work isn't wasted, but it isn't building anything either.
If your team is lifting once a week and you're frustrated that nobody is getting noticeably stronger, you've found the issue. Two days a week is the minimum threshold where the math starts to work.
The other end of the spectrum is just as common, especially with athletes who get serious about strength and start adding sessions on their own. They watch a college program online, see athletes lifting four or five days a week, and try to match that volume on top of their high school schedule.
What they don't account for is that those college programs are built around recovery infrastructure that high school athletes don't have. Mandatory sleep windows. Structured nutrition. Sports medicine staff watching for fatigue accumulation. A practice schedule built to coordinate with the lifting plan.
A high school athlete trying to lift five days a week while also practicing a sport four to six days a week, working through a real academic load, and getting six and a half hours of sleep is going to break down. Either their performance will plateau and slide backwards, or they'll get hurt, or they'll burn out and quit. None of those outcomes serve the athlete.
The off-season is where the heaviest physical development happens. Three to four sessions per week, focused on building strength through the foundational patterns, is what produces the year-over-year jumps that separate athletes who are noticeably better as juniors than they were as freshmen. The volume can be relatively high because there's no competitive demand pulling on recovery from another direction.
Preseason is a transition. Sport-specific work starts ramping up. Two to three lifting sessions per week is the right target, with a slight shift away from heavy strength work and toward power expression: jumps, throws, faster bar speeds, lighter loads moved with intent. The goal in preseason isn't to keep building maximum strength. It's to convert the strength built in the off-season into expressed power on the field or court.
In-season frequency is what most programs get wrong. Once games start, lifting gets cut entirely or kept at off-season volume, and both choices fail. Cutting it means everything built over the summer slowly disappears. Keeping it at off-season volume burns athletes out by the back half of the schedule. Two short, focused sessions per week, built around two or three core movements at meaningful but not maximal load, will hold most of what was built without compromising performance in competition. I've written about this specifically for volleyball, and the same principle applies across sports.
Frequency only matters if the sessions are actually doing what they need to do. A wandering, unstructured 90 minutes in the weight room with friends is not the same thing as a 45-minute focused session built around progressive loading on three or four key movements.
The sessions that drive development are the ones that do the boring fundamentals well. Squat, hinge, press, pull. Real load, with technique watched and progressions tracked over weeks and months. A teenage athlete who consistently squats and deadlifts with progressive loading three days a week for an off-season is going to be transformed by the start of preseason. One who does random circuits at the same intensity for three months is not.
This is where having someone build the program matters. Not because the movements are complicated. Because the progression has to be intentional, and most athletes lifting on their own don't push the load up systematically enough to drive change.
I get this question from parents constantly. If my kid is at three-hour practices five days a week, isn't that enough?
It isn't. Sport practice develops sport-specific skills and conditioning. It does not develop maximum strength, and outside of natural growth, it does not meaningfully develop power. The athletes who arrive at varsity ready to compete physically with bigger, stronger juniors and seniors are almost always the ones who have been doing structured strength work in addition to their sport, not in place of it.
This doesn't mean adding more total hours blindly. It means structuring the week so that lifting and practice complement each other, with enough recovery between high-intensity efforts to actually produce adaptation.
The frequency question gets a lot easier when there's a real plan. Athletes following a thought-out program, with a coach watching their movements and adjusting load week to week, can usually handle more frequency than athletes lifting on their own, because the program accounts for fatigue, technique drift, and where they are in their season.
The youth athletes I work with at Output Performance follow a calendar built around their sport. Off-season blocks for development, preseason blocks for power expression, in-season blocks for maintenance. The frequency shifts as the year shifts. The athletes who are with us for multiple years compound those gains and arrive at their senior season meaningfully more developed than their peers who treated lifting as something they got to when they had time.
If you're a parent in the St. Louis area trying to figure out what real strength training looks like for a high school athlete, learn more about our [team training program](/services/team-training) and let's talk about what a year of structured development could look like for your athlete.
Our NSCA-CSCS certified coaches design evidence-based programs tailored to your goals. No guesswork, no gimmicks—just results.
Work With Our CoachesThe difference between players who jump high and those who don't usually comes down to strength training, not more reps on the court. Here's what actually works.
Most volleyball programs stop lifting when the season starts. Here's what that actually costs, and how two sessions a week can protect everything you built.
Your cart is empty
Browse Shop
