How much does a Nail Extension Course Fees? It depends on the place, school, and course length. You might pay anywhere from $200 to $1,500. This often includes basic training, supplies, and a certificate. Some nail schools have classes for all skill levels. They might have pay plans or early sign-up deals. Students learn things like gel, acrylic, and polygel nail tips. They also learn how to take care of nails and keep them clean. Check for hidden fees, like kits or tests. And make sure the school gives you a legit certificate. This helps you get jobs in the nail business.