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At Tandem, we are in constant communication with substitutes completing shifts through the platform. When they decide not to return to a center for a second shift, we hear the same thing over and over again:
"I got thrown in."
Subs who say it aren't complaining about the kids. They're describing the first thirty minutes.
No one met them at the door. They guessed at the schedule. They asked another teacher mid-diaper change where the nap mats live.
The day might still go fine. Most do. But the sub walks out remembering whether they were welcomed or not, and that memory shapes whether they pick up another shift at your center.
It's the same pattern What a Bad First Day Costs You describes for new hires, compressed into a single shift.
The encouraging part is that almost none of what fixes this takes real time or new infrastructure. The choices that turn "thrown in" into a smooth day are small. Mostly five minutes or less. Mostly free. You don't need a new system or a binder to hand out. You need a few habits the whole team can keep.
Most coverage problems get easier when the shift goes up earlier.
Vacations. PD days. Planned leave. Anything you know about more than 48 hours in advance fills faster and with stronger matches than a same-day request. Tandem still handles emergencies. The best fits come from the shifts you saw coming.
The post itself does work too. Age group, classroom role, schedule, dress code, what to bring, anything specific about your program. The detail in the shift post is the sub's first impression of your center. A vague post tells them what kind of day to expect before they ever walk in.
Greet the sub at the door. Show them where the classroom is, where the bathrooms are, who to ask when something comes up.
Name a person. One teacher or assistant the sub can flag without feeling like they're interrupting. This is the single biggest thing that separates a smooth sub day from a hard one. (You'd think it would be a folder or a schedule. It's a person.)
While you're at it, give the kids the same heads up. A simple "we have a special helper with us today" lands. Kids settle faster when they're prepared.
Most of what a sub needs to know should be visible in the room without having to ask.
Put a substitute folder on the lead teacher's desk. Day's schedule, ratios, allergies, emergency procedures, attendance list. That folder is the difference between a sub who feels prepared and a sub who feels like they're running behind from minute one.
Walk them through the rhythm of the day. Nap times, transitions, what "free play" actually looks like in your room. Show them where supplies live. Label what isn't obvious. Note quietly which child needs extra patience and why. None of it takes long. All of it changes the day.
It's the same dynamic The Real Cost of a Missed Day gets at from the other side. The cost of coverage isn't just whether you got someone in the room. It's whether that someone could actually do the job once they got there.
After the shift, tell Tandem what you saw.
Mark the subs you loved as Favorites. You'll be matched with them first next time, and a roster of regulars starts forming on its own. Subs your team knows. Subs your kids recognize. (More on the value of that in Turning Substitute Shifts Into Lasting Connections.)
Give feedback either direction. Good or bad. The platform learns your center's needs over time, but only if it knows what worked and what didn't. Tandem handles performance issues directly when something is off.
None of this is heavy lifting. A planned shift post. Five minutes at the door. A folder on a desk. A name to ask. A note to the kids. A click after the fact.
The substitutes who say "thrown in" aren't asking for much. They're just naming what was missing.
The centers where subs come back are the ones where someone made the day make sense.
Join the child care centers that trust Tandem to keep their classrooms fully staffed, every day.
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