What Does an Instructional Coach Do? The Role, Done Right

Most instructional coaches I meet could tell you exactly what good coaching looks like. Far fewer get to spend their week doing it. Ask one what they did last week, and you may notice a pause before the answer.

Covered a class when a substitute didn't show. Made copies for a team meeting. Updated a data spreadsheet for the district. Carried materials from one end of the building to the other. Sat in a meeting because someone needed another adult in the room. And somewhere in there, if the week went well, they spent some time in classrooms.

I don't say that to criticize coaches. Most of them are doing exactly what their buildings ask them to do, and they're some of the hardest-working people in a school. That's the problem.

When an instructional coach becomes the building's spare set of hands, the job that only a coach can do quietly gets squeezed out, and it's the job that helps professional development turn into better teaching.

An Instructional Coach Changes Adult Behavior

An instructional coach is someone whose job is to help teachers get better at the practices that improve student learning, in the classrooms where those practices actually have to happen. In behavior terms, the role of an instructional coach is to change adult behavior so that student behavior changes.

All results require behavior. Student learning is produced by what students do, and what students do is shaped heavily by what teachers do. The coach works on that link. That means an instructional coach isn't a substitute teacher, a compliance clerk, a materials runner, or an assistant principal without the title. Those may all be useful jobs in a busy school. They aren't coaching.

Coaching Makes Training Show Up

In the Four Hats of Leadership (Gavoni, 2024), training and coaching are two different hats with two different jobs. The training hat builds a skill that isn't yet in someone's repertoire, the set of things they can already do. A teacher learns a new routine for transitions, a way to check for understanding, or a better way to correct an error. That's training, and it matters.

The coaching hat helps that skill show up under real conditions. A teacher can demonstrate a strategy beautifully in a professional development session and still struggle to use it with a full class, a fire drill in the middle of second period, and a few students who had a rough morning before they ever got to school.

That gap is normal. Skills learned in one setting don't automatically show up in another. When a skill does carry over to new settings and conditions, behavior scientists call it generalization. In plain language, it's the skill showing up where it actually counts.

Nobody expects an athlete to learn a technique once in practice and execute it perfectly in competition. Good coaches watch, adjust, rehearse, and reinforce until the skill holds up under pressure. Teaching deserves at least that much seriousness.

Training puts a skill in a teacher's repertoire. Coaching helps it show up on a hard Tuesday morning.

Without coaching, a lot of professional development becomes an event rather than a change. Interesting on the day. Mostly gone by the end of the month.

What Does an Instructional Coach Do All Day?

Strip away everything else, and the job comes down to a cycle: observe, give specific feedback, model, rehearse, and reinforce, until the skill shows up in daily practice. That cycle is also the core of Deliberate Coaching®, the behavior-based coaching approach we use at HSI with individuals, teams, and school and district leaders. Here's what each part looks like.

Observe. Coaching starts in the classroom, not the office. The coach watches the practice the teacher is working on, in the setting where it has to happen. And the coach looks for something specific. "Classroom management" is too big to coach. "Gives clear directions before every transition" or "recognizes appropriate behavior more often than correcting problem behavior" is something a coach can see, count, and help improve.

Coaching a teacher to get better at classroom management is a little like coaching an athlete to get better at sports. Technically accurate. Not especially helpful.

Before choosing what to work on, a good coach diagnoses. Is this a skill problem, or a clarity problem? Has the teacher ever seen the practice modeled? Has the teacher practiced it anywhere other than a training session? Does using it produce anything the teacher values? Is something in the schedule, the materials, or the room making the old habit easier than the new one? The answers decide where the cycle starts.

Give specific feedback. Feedback is most useful when the teacher can do something with it. "Great lesson" doesn't tell the teacher what worked or what to keep doing. "You gave the direction once, checked it with a couple of students, and the transition was noticeably quicker than last week" does. Good feedback comes soon after the observation, focuses on one or two things, and spends at least as much time on what to keep as on what to change.

Model. Sometimes telling isn't enough. The coach shows the teacher what the practice looks like, ideally in the teacher's own room with the teacher's own students. Seeing a strategy work with your students is usually far more convincing than watching it work in a video from a school that looks nothing like yours.

Rehearse. Too often, this is the step that gets skipped. Before the teacher uses the practice live, they rehearse it with the coach. Say the words out loud. Walk through the transition. Practice the correction until it sounds calm and natural. Adults often feel awkward rehearsing. Do it anyway. A few minutes of practice when nothing is at stake makes it much more likely the skill shows up when something is.

Reinforce. When the teacher uses the practice, the coach notices, specifically and soon. Behavior that pays off is more likely to happen again. The coach's praise isn't automatically reinforcement, though. It functions as reinforcement only when the practice keeps showing up, and we know by what happens to the teacher's behavior, not by what the coach intended. For many teachers, one of the most powerful payoffs is seeing students respond: a smoother transition, more students participating, fewer corrections needed. Part of the coach's job is helping the teacher connect what they did to what changed.

Then the cycle repeats. As the skill becomes fluent, meaning the teacher can do it smoothly without having to stop and think, the coach fades support and moves to the next priority.

Coaching Has to Stay Separate From Evaluation

Here's the heart side of the role, and it isn't optional. Coaching asks teachers to do something uncomfortable. It asks them to try a skill they're not good at yet, in front of another adult. Practice requires permission to be bad at something for a little while.

If teachers believe the coach's notes might end up in their evaluation, that permission tends to disappear. They start performing for the coach instead of practicing with the coach. They choose the safe lesson for the visit and hide what they're struggling with, and the coach ends up watching a show. Most of us would do the same. It's a perfectly reasonable response to the environment.

So be explicit about the boundary. Teachers should know what the coach shares with the principal and what stays between coach and teacher. One workable line is that the coach can share which practices teachers are working on and how coaching time is being spent, but doesn't share judgments about an individual teacher's performance.

The coaching relationship runs on trust. Once a teacher believes the coach is collecting evidence, practice tends to turn into performance.

This doesn't mean coaching and accountability are enemies. Schools need evaluation. Teachers need clear expectations and follow-through. But that belongs to the managing hat, and it works best when someone other than the coach is wearing it.

Trust is built through repeated interactions. A coach earns it by being useful, being consistent, keeping their word about confidentiality, and making a teacher's day easier rather than harder.

How Principals Protect Coaching Time

Here's the uncomfortable truth for school leaders. If coaches spend their days on coverage and paperwork, it's usually because the building has been arranged that way.

Behavior goes where the environment sends it. If the principal mostly asks the coach about compliance reports, the role drifts toward compliance reports. If the coach is the first call whenever a class needs coverage, the role drifts toward coverage. Nobody decided that. It just happened, one reasonable request at a time. Principals can arrange it differently.

Leader move: Define the role out loud. Tell staff what the coach does and what the coach doesn't do, including the fact that coaching is separate from evaluation. Say it at the start of the year, and say it again when new staff arrive.

Leader move: Protect the calendar. Coaching time in classrooms goes on the schedule first. Coverage is the exception, not the default plan.

Leader move: Ask about coaching, not just compliance. In regular check-ins with the coach, ask which practices teachers are working on, what patterns the coach is seeing across classrooms, and which barriers the coach needs removed. Ask about patterns, not about individual teachers' evaluations.

Leader move: Watch the leading indicator. Pay attention to how much of the coach's week is actually spent observing, modeling, rehearsing, and giving feedback. If that share keeps shrinking, the role is drifting.

Leader move: Reinforce the coaching. When a teacher's practice improves, recognize the teacher, and recognize the coaching that helped. Make it obvious that the school values this work.

And remember that coaches need coaching too. Someone should be observing the coach, giving feedback, and helping them get better at a genuinely difficult job.

Final Word: Let Coaches Coach

So, what does an instructional coach do? Observe. Give feedback. Model. Rehearse. Reinforce. Then do it again.

Done right, an instructional coach helps good training become daily practice, and daily practice become better learning for students. The next time someone asks your coach what they did last week, the answer should come without a pause.

They were in classrooms, helping teachers get better.

Want to Take This Further?

If your school or district is ready to stop spending coaching time on everything except coaching, let's talk.

I support state leaders, district leaders, department leaders, school leaders, team leaders, and classroom leaders through keynotes, professional development, coaching, and implementation support grounded in the science of human behavior.

When you're ready to talk about your school or district, reach out to HSI here.