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How-To Guide
Updated January 21, 2026
16 min read

How to Become a high school teacher

Complete career guide: how to become a High School Teacher

David Kim

Career Development Specialist

8+ years in career coaching and job search strategy

Key Takeaways

  • You will map a clear path from choosing a subject to earning certification and landing your first job
  • Hands-on classroom experience and a strong portfolio make you more competitive in hiring
  • Passing your state licensure exams and completing student teaching are required steps in most states
  • Continuing professional development and classroom management skills help you succeed in your first years

This guide on how to become a high school teacher walks you through each step, from choosing a subject to getting certified and finding your first position. You will get concrete actions, examples, and things to avoid so you can plan a realistic path into teaching with confidence.

Step-by-Step Guide

Choose a subject area and plan your degree

Step 1

Decide which high school subject you want to teach and whether you want to teach in public or private schools, because your subject choice affects your coursework and certification path. High school teachers commonly teach English, math, science, social studies, foreign languages, or career-technical subjects, so pick a subject you enjoy and can commit to teaching for several years.

Create a degree plan that combines a content major with education coursework if possible, or plan a major in your subject and a minor or post-baccalaureate program in education.

Talk with an academic advisor early to confirm which classes count for state certification and which elective courses strengthen your subject knowledge, for example advanced calculus for math teachers or lab courses for science teachers. Avoid choosing a major without a plan to meet certification requirements, because that can add semesters and cost.

If you change your mind later, look into alternative certification programs or post-baccalaureate teacher preparation so you do not delay starting your path to the classroom.

Tips for this step
  • List the high school subjects you enjoy and rank them by how often you can see yourself teaching them.
  • Meet with your college advisor to ensure required pedagogy and subject-matter courses are included in your plan.
  • If your school does not offer education courses, search for nearby colleges that offer state-approved teacher prep options.

Complete a bachelor's degree with subject-matter depth

Step 2

Finish a bachelor’s degree that provides deep content knowledge in the subject you will teach, because high school teachers need strong mastery of their discipline. For example, aspiring chemistry teachers should take organic chemistry and lab courses, while future history teachers should take multiple history surveys and a research methods class.

While you complete your major, add introductory education classes if offered, volunteer at local high schools for observation hours, and take coursework in adolescent development and assessment methods.

These experiences give you examples for interview answers and help confirm that classroom teaching matches your expectations. Expect to balance subject classes with some education prerequisites, which can extend your schedule by a semester if you postpone them.

If you already have an unrelated bachelor’s degree, research post-baccalaureate or alternative certification paths that provide the required subject and pedagogy training.

Tips for this step
  • Keep a running list of course syllabi and project samples to add to your teaching portfolio later.
  • Seek volunteer or tutor roles in your subject to build practical teaching examples you can reference in interviews.
  • If you are changing careers, target accelerated post-bacc programs that bundle subject courses and teacher prep.

Enroll in a state-approved teacher preparation program

Step 3

Join a teacher preparation program that meets your state’s certification requirements, since formal prep programs combine pedagogy, classroom practice, and certification steps. Programs can be part of your undergraduate degree, a concurrent credential, or a post-baccalaureate program, and each program should include supervised field experience.

Select programs that provide student teaching placements in high schools and that prepare you for your state licensure exams, such as Praxis exams in many states or state-specific content tests.

Contact program coordinators to confirm how the program supports exam prep, placement logistics, and mentorship during student teaching. Avoid programs that do not provide clear documentation for certification or that have limited placement support, because you may face extra hurdles when applying for state licensure.

Ask alumni or current students about placement success and the program’s relationships with local school districts.

Tips for this step
  • Ask programs for a sample course sequence and a copy of their candidate handbook to check state alignment.
  • Choose programs that offer mentors or supervisor feedback during student teaching.
  • Confirm whether the program includes help with job placement or interview preparation.

Complete student teaching and build a teaching portfolio

Step 4

Student teaching gives you extended, supervised classroom practice and is a core requirement for certification, because it shows you can plan lessons and manage a classroom. Typically you spend a semester or more in a high school classroom co-teaching and gradually taking full responsibility for instruction and assessment.

During student teaching, collect lesson plans, unit plans, assessments, and samples of student work to build a digital portfolio that demonstrates your planning and impact.

Ask your cooperating teacher and university supervisor for specific feedback and letters of recommendation, and record short reflection notes after each lesson to show growth. Do not treat student teaching as passive observation, because active planning and assessment work will form the core of your portfolio and interview talking points.

If classroom management is a weakness, seek extra coaching from your mentor and practice specific routines before you lead classes independently.

Tips for this step
  • Create a folder with annotated lesson plans and student work samples that show learning progress.
  • Request at least two written recommendations from your cooperating teacher and field supervisor.
  • Record a short teaching video if allowed, to include a concrete example in your digital portfolio.

Obtain state certification and pass required exams

Step 5

Apply for your state teaching certificate after you complete program and student teaching requirements, because certification proves you meet legal and professional standards for the classroom. Most states require passing one or more content and pedagogy exams, background checks, and submission of official transcripts and program completion verification.

Check your state department of education website for exact requirements and timelines, and schedule any required exams well before you plan to apply for jobs so scores are available on applications.

If you do not pass an exam on the first attempt, use official score reports to target weak areas, take a focused prep course, and retake the test according to your state’s rules. Avoid missing deadlines for fingerprinting or document submissions, because incomplete certification files delay hiring and your ability to start the school year.

Keep digital copies of all submitted paperwork and follow up with your program coordinator if state records do not update within the posted timeframe.

Tips for this step
  • Bookmark your state education department’s teacher certification page and save a checklist of requirements.
  • Schedule licensure exams at least six weeks before job application deadlines to allow for retakes if needed.
  • If you need extra prep, join a focused study group or use official practice tests to target weak content areas.

Apply for teaching jobs and continue professional development

Step 6

Prepare a teaching resume, cover letter, and interview packet that highlight your student teaching, certifications, and classroom successes, because schools hire candidates who demonstrate readiness to teach. Tailor your materials to each vacancy by referencing the school’s curriculum, student population, or extracurricular needs in your cover letter.

Network with hiring administrators, attend job fairs, and apply on district HR sites, and be ready to present a short demo lesson or a copy of your portfolio during interviews.

Once hired, pursue mentor programs, workshops, and coursework that strengthen classroom management, assessment design, and subject-specific pedagogy, which help you improve student outcomes and advance your career. Do not send the same generic application to every district, because specific evidence and local fit matter to hiring panels.

Expect a period of adjustment in your first year and schedule regular observations and feedback sessions with your mentor to accelerate growth.

Tips for this step
  • Keep a spreadsheet of open positions, application dates, contact names, and interview notes to stay organized.
  • Prepare a 10-minute demo lesson that shows clear objectives, engagement strategies, and an assessment.
  • Join local teacher associations or online subject groups to find job leads and professional development opportunities.

Common Mistakes to Avoid

Pro Tips from Experts

  • 1

    Create a concise digital portfolio website with lesson plans, student work samples, and a short teaching video to share in applications.

  • 2

    Start substitute teaching while you are finishing certification to gain paid classroom time and local references.

  • 3

    Develop a one-page classroom management plan and a sample unit plan to use in interviews and during your first week of teaching.

Conclusion

Becoming a high school teacher is a step-by-step process that combines subject mastery, certified preparation, and real classroom experience. Follow this plan, collect concrete evidence of your teaching, and keep improving through feedback and professional development.

Take the next step today by mapping your degree requirements and contacting a teacher preparation program so you can move toward the classroom with confidence.

Ready to make the switch?