There’s no single online quiz that will definitively tell you what subject to teach, but asking yourself the right questions can get you to a clear answer faster than any personality sorter. Below is a structured self-assessment that walks you through the factors that actually matter: your strengths, your preferred age group, your tolerance for specific workloads, and the job market reality for each subject area.
Start With What You Already Know
The most reliable predictor of teaching satisfaction is genuine interest in the content. Think back to the classes you looked forward to in school, the books you read without being assigned them, or the topics you naturally gravitate toward in conversation. That enthusiasm is hard to fake in front of students for years on end, and it’s the single biggest factor in long-term job satisfaction.
If you’re coming from another career, your professional background can map directly onto a subject area. Former engineers and analysts tend to excel in STEM subjects. People with marketing, communications, or writing backgrounds often thrive teaching language arts or English. Someone who spent years in finance or accounting may find math instruction feels natural. Even if your degree isn’t in education, most states offer alternative certification paths that let you leverage that expertise.
Ask yourself these questions and write down your answers:
- Which two or three subjects could you talk about for an hour without preparation? This reveals where your knowledge runs deep enough to handle student questions on the fly.
- What topics do friends or coworkers already come to you for help with? Teaching ability often shows up informally before you ever step into a classroom.
- If you had to read one nonfiction book this week, what category would it fall into? Science, history, literature, psychology, technology, and art each point toward a different teaching path.
Decide on an Age Group First
Your subject choice and your preferred age group are connected. Elementary teachers typically cover multiple subjects (reading, math, science, social studies) within a single classroom, so you don’t need to pick just one discipline. Middle and high school teachers specialize in one or two subjects, which means your content expertise matters more at those levels.
Think honestly about which age range suits your personality:
- Elementary (Kâ5): You enjoy nurturing foundational skills, prefer variety throughout the day, and have patience for high-energy environments. Subject choice is less of a factor here because you’ll teach across disciplines.
- Middle school (6â8): You’re comfortable with adolescents navigating social and emotional changes. You want to specialize but still enjoy a broad range within your subject.
- High school (9â12): You want to go deep into content, prepare students for college-level work, and engage with young adults who can handle complex material.
If you realize you’d rather work with younger children, you can stop agonizing over which single subject to pick. Elementary certification is its own path. If you prefer older students, keep reading to narrow your subject.
The Workload Differs by Subject
Every teaching job is demanding, but the type of work outside the classroom shifts depending on what you teach. Understanding these differences helps you pick a subject you’ll sustain over a full career, not just one that sounds appealing in theory.
English and language arts teachers spend significant time outside class reviewing essays, providing written feedback, and grading subjective assignments. If you love reading student writing and giving detailed comments, that’s energizing. If the thought of 120 essays on your desk every few weeks sounds exhausting, factor that in honestly.
Math teachers tend to spend more prep time designing problem sets and working through solutions. Grading is often faster because answers are more objective, but you’ll need strategies to help students who hit conceptual walls. Science teachers add another layer: planning and setting up lab work, managing equipment and safety protocols, and sometimes writing grant requests for classroom supplies. Social studies and history teachers fall somewhere in between, with a mix of essay grading and project-based assessment.
Elective subjects like art, music, physical education, and career and technical education come with their own trade-offs. Less traditional grading, but often more logistical work (performances, exhibitions, equipment maintenance) and sometimes less job security when budgets tighten.
Where the Jobs Are
Your passion matters, but so does your ability to actually get hired. Teacher shortages are not evenly distributed across subjects, and choosing a high-demand area can mean more job offers, better starting positions, and access to financial incentives.
Special education is the most universally in-demand teaching area, with 45 states reporting shortages. Science comes next at 41 states, followed by math at 40 states. These three fields have faced persistent shortages since at least 1990. Elementary education and career and technical education also rank among the deepest shortage areas when measured by the number of positions that are either vacant, filled by temporarily certified teachers, or staffed by someone teaching outside their trained field.
Bilingual education and world languages round out the high-need list. If you’re fluent in a second language, that skill alone can open a teaching career path with strong demand.
Financial Incentives for High-Need Subjects
Teaching a shortage subject can come with tangible financial benefits. The U.S. Department of Education maintains a Teacher Shortage Areas listing that determines eligibility for federal loan programs. Federal Perkins Loan borrowers who teach full-time in math, science, foreign languages, or bilingual education can qualify for cancellation of up to 100% of their loan balance. States can also designate additional shortage fields that qualify for the same benefit.
Beyond federal programs, many school districts offer signing bonuses, stipends, or tuition reimbursement for teachers in hard-to-fill subjects. These incentives change year to year, so check your state’s Department of Education website and individual district job postings for current offers. If you’re deciding between two subjects you’d enjoy equally, the one with better financial incentives is worth a serious look.
Your Decision Checklist
Pull your answers together with this final set of questions. If most of your responses point toward the same subject, you have your answer.
- Confidence: What topic do you feel most confident explaining to someone who knows nothing about it?
- Impact: What subject aligns with your vision for making a difference in students’ lives?
- Sustainability: Which workload pattern (essay grading, problem sets, lab prep, performance coaching) fits how you want to spend your evenings and weekends?
- Demand: Is this subject in shortage in your area? Will you have strong job prospects?
- Credentials: Do you already have coursework, professional experience, or a degree that covers this content, or will you need significant additional preparation?
Most states require you to pass a subject-area competency exam to earn certification in a specific field, and some accept relevant professional credentials or language proficiency tests as alternatives. Check your state’s certification requirements early so you know exactly what’s ahead before you commit.
When Two Subjects Tie
If you’re genuinely torn between two subjects, lean toward the one with stronger job demand in your area. You can always incorporate your other passion through elective courses, after-school clubs, or interdisciplinary projects. A history lover who certifies in English, for example, can weave historical context into literature units. A math teacher who also loves computer science may find opportunities to teach both as districts expand STEM offerings.
You can also pursue dual certification in many states, adding a second subject endorsement after you’re already teaching. Starting with the subject that gets you hired fastest doesn’t mean giving up the other one permanently.

