How To Become a High School Teacher in 2026

Learn how to become a high school teacher, including education, certification, job outlook, and salary info. Plus, explore top degree programs to start your teaching career.

High school teachers help students in grades nine through 12 learn important subjects like math, English, science, and history. They also help teens prepare for life after graduation by teaching critical thinking skills, encouraging good study habits, and providing emotional and academic support when needed.

If you're wondering how to become a high school teacher, we'll help you navigate the education path, training, and licensing requirements you'll need to meet before stepping into the classroom. You'll also learn about high school teacher educational requirements, certification requirements, career options, and the kind of impact you can have in the classroom.

Keep reading to learn the steps to become a teacher and start your educational path.

What Does a High School Teacher Do?

As a high school teacher, you'll play a key role in preparing teens for college, careers, and life after school.

High school teacher responsibilities include:

  • lead classes
  • create lesson plans
  • assign and grade homework
  • help students understand complex topics
  • monitor classroom behavior
  • write progress reports
  • work with parents to support student success

Teachers usually specialize in one or two subjects, such as math, biology, or U.S. history. Some lead electives like art, drama, or computer science. Many teachers also take on extracurricular responsibilities, including coaching sports, advising clubs, or organizing school events.