A day as a Substitute Teacher
You find out where you're working about the same time you find out what you're teaching. Substitute teaching is walking into someone else's classroom, reading their plans cold, and keeping a room of kids on track until the last bell. It's flexible and rarely boring, and it's the fastest way to learn whether you want a classroom of your own.
The kind of day this describes
This is a day-to-day assignment at a public middle school, booked through the district's absence system (Frontline is the one you'll see most, and some districts run their own). Long-term subs, who cover a maternity leave or an open position for weeks at a time, have a steadier routine with grading and parent emails. Elementary days are different too: you keep one class all day, you handle lunch and recess handoffs, and the little ones will tell you, loudly, that you're doing it wrong.
From the early booking to the last bell
The job pops up
You check the app over coffee. Most jobs get posted the night before, but the ones that open at dawn go fast, so you grab a seventh grade science slot at the school you like. Then you check the notes the teacher left in the posting. Sometimes it says "plans on desk." Sometimes it says nothing.
Front office and the sub folder
You sign in, get a badge and a key, and ask where the sub folder is. A good one has seating charts, the bell schedule, the lockdown procedure, the names of a couple of reliable students, and which teacher next door will actually help. A thin one means you're building the day yourself from whatever's on the whiteboard.
First period and the seating chart
You take attendance in the student information system (PowerSchool, Infinite Campus, whatever the district uses) and you say every name out loud. Kids test subs by swapping seats and names, and calling roll off the chart shuts that down early. You explain the task, set a clear finish line, and walk the rows instead of sitting at the desk.
The plan breaks
Fourth period is supposed to run a lab, but the plans assume a cart of laptops that another class already took. You've got a restless room and nothing on paper. So you pull the textbook's review questions, turn them into a pairs activity, and write a note for the teacher explaining the swap. This happens more weeks than it doesn't.
The note you leave behind
After the last bell you collect work, stack it by period, and write the end of day note: what got done, who was absent, who helped, and who you sent to the office and why. Teachers remember subs who leave a clean room and an honest note. That's how you end up on their request list, and requested subs rarely have to hunt for work.
What wears subs down
The hard part isn't the teaching. It's walking in with no relationship and no authority beyond the badge. Regular teachers spend weeks building routines, and you get one morning. Classroom management is the whole job some days, and it's the thing principals ask about when they decide whether to call you back. The other grind is income that comes and goes. Holiday breaks, testing weeks and the end of the school year can dry up your bookings with little warning, so a lot of subs keep a second source of work or stick to a single district where they're known.
How people end up in the sub pool
The career changer testing the water
You've worked in an office, a lab or the trades and you're wondering about teaching. Subbing lets you find out before you pay for a credential program. Many districts want a bachelor's degree for a substitute permit, though rules differ by state, so check your state's education department or teacher licensing board first.
The student teacher or new graduate
You've finished or nearly finished a teacher prep program and you're waiting on a full-time position. Subbing in the district you want gets your name in front of principals, and plenty of teachers got hired by the school they subbed in most.
The parent or retiree who wants flexible days
You want school hours and the freedom to say no. Some states let people sub with less than a degree, often with a short training course, and retired teachers are usually welcomed back. Expect fingerprinting and a background check wherever you apply, and sometimes a TB test.
What principals notice on a sub application
District postings and staffing agencies look for the same few things, so use these words if they describe you.
What Substitute Teacher postings ask for
Hiring the most
- Copilot Careers62
- Guidepost Montessori56
- Brighthorizons28
- Wonderschool26
- INK24
Remote
1% of openings are fully remote.
Questions people ask
Do you need a teaching license to be a substitute teacher?
Usually not a full license. Most states issue a separate substitute permit or certificate, and the requirements run from a high school diploma plus training in some states to a bachelor's degree in others. Long-term subs often need more. Rules change by state and sometimes by district, so check your state's education department before you apply.
How do substitute teachers get assignments?
Through the district's absence management system or a staffing agency that places subs for several districts. You set your availability, schools and grades, then accept jobs from an app or a phone call. Once teachers know you, they'll request you by name, and that's the steadiest work you'll get.
What should you do if there are no lesson plans?
Go to the teacher next door or the front office first, since many schools keep emergency sub plans on file. If there's nothing, give the class a reading or review task tied to what's on the board, keep it structured, and write down exactly what you did. Don't show a movie unless someone at the school says it's fine.
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