Sub Hero Blog

Tips and strategies for substitute teachers

Retired and substitute teaching in California: the CalSTRS earnings limit fell from $80,245 to $59,565 this school year. What counts toward it and what happens if you go over

October 12, 2026

CalSTRS lists a postretirement earnings limit of $59,565 for 2026-27, down from $80,245, and its fact sheet says what counts toward it, how the excess is collected, and how Illinois and Texas handle the same question.

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Can a substitute teacher collect unemployment over summer or winter break? What "reasonable assurance" means, state by state

October 12, 2026

Whether a substitute teacher can collect unemployment over summer or winter break depends on "reasonable assurance" of work after the break, a federal rule that each state applies differently; here is what the U.S. Department of Labor, California, New York, Kentucky and Wisconsin sources say.

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How many days can a substitute stay in one classroom? The limit depends on your state and your permit

October 12, 2026

There is no national limit on how long a substitute can cover one classroom: California, Illinois and Oregon each set their own, by permit or license type, and the numbers run from 5 days to a full academic year.

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Do substitutes get paid when a job is canceled the morning of? It depends on who canceled, when you were told, and whose rules apply

October 12, 2026

No federal rule pays a substitute for a job canceled the morning of. Here is what the U.S. Department of Labor, three states and two staffing agencies have published, and who to ask about your own case.

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Is SubAlert shutting down? What its own site says in October 2026, and what a current SubAlert user on Frontline should set up now

October 5, 2026

As of October 5, 2026, SubAlert's site says it is not accepting new customers and gives no shutdown notice or date, so here is what a current SubAlert user on Frontline can set up now.

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Why Frontline says a job is already filled when you tap Accept, and what you can and cannot do about it

October 5, 2026

When Frontline says a job is already filled after you tap Accept, another substitute booked it while you were looking, so here is what Frontline's own guides say about it, how to tell whether you got the job, and what does and does not help.

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Frontline or SmartFind Express: how to tell which one your district uses, and which job alert tools work on each

October 5, 2026

How a substitute can tell whether a district runs Frontline Absence Management or PowerSchool's SmartFind Express, and which job alert tools work on each, from each company's own pages as of October 5, 2026.

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Why a Frontline job alert filter can match nothing, and how Sub Hero's new filter editor heads it off

October 3, 2026

A Frontline job alert filter can save fine and match nothing. Sub Hero's new filter editor lets you pick names from your district's list and shows what fits.

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SubAlert's homepage still offers a 21-day free trial, but its sign-up page is closed. What Frontline subs can use instead

September 28, 2026

SubAlert's homepage still lists two plans and a 21-day free trial, but its sign-up page says it is not accepting new customers, so here is what that means and what Frontline substitutes can sign up for today.

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Jobulator is gone. What Frontline substitutes use for job alerts now

September 21, 2026

Frontline decommissioned its own Jobulator alert app on December 31, 2024, so here is what Frontline substitutes use for job alerts now: Frontline's free mobile app, its phone calls, and an independent alert service that is still taking sign-ups, with what each one leaves out.

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Does the Free Frontline App Notify You When a Job Is Posted? What Frontline's Own Pages Say It Does

September 21, 2026

Frontline's pages say its free app sends a notification of available jobs, and say nothing about when, for which jobs or with what filters, so here is their wording and what a filtered alert adds.

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Is Sub Hero free? What the free account, Standard, Pro, and the 14-day trial each include

September 21, 2026

What a free Sub Hero account does without a card, what Standard at $6.99 and Pro at $9.99 a month each include, and how the 14-day Pro trial, one per Frontline login, works.

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When a Sub Job You Booked on Frontline Disappears, Sub Hero Now Tells You

September 18, 2026

A job you booked on Frontline can be canceled without a word. Sub Hero's paid plans now tell you, usually within minutes, when a booking leaves your schedule.

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SubAlert Is Not Taking New Customers: Other Ways Frontline Subs Can Get Job Alerts

September 17, 2026

SubAlert's sign-up page says it is not accepting new customers. Here is what it offered, and the ways a Frontline substitute can still get job alerts, with each one's limits.

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Do Sub Jobs Go Unfilled? Two Weeks and 34,000 Frontline Postings Later

September 10, 2026

34,000 postings, 193 districts, two weeks. Most sub jobs get filled, and fast — but nearly a third of postings in slow districts never do, and jobs posted during the school day are gone within five minutes.

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How Long Do Sub Jobs Actually Last? We Tracked 82 Districts

August 31, 2026

Some postings vanish in under a minute; some sit for three days. But a district's pace turns out not to predict your odds at all — because the average job and the job you actually want are not the same job.

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When Do Sub Jobs Actually Get Posted? The Weekly Rhythm, in Data

August 28, 2026

Postings tripled in a week as school came back — and the week has a rhythm. Sunday evenings, the 6 AM scramble, the school-day disappearing act: when jobs appear, and when they vanish.

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Looking for a Frontline Job Alert Service in 2026? Here Are Your Options

August 21, 2026

The landscape changed this year. An honest survey of what substitute teachers can use now to hear about Frontline jobs faster — including Frontline's own app — and how to choose.

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Is It Safe to Connect Your Frontline Account to a Job Alert Service?

August 21, 2026

Any service that watches Frontline for you needs your login. Here are the five questions worth asking before you hand it over, the red flags, and our own answers.

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SubSidekick Shut Down: How to Keep Getting Frontline Jobs Fast in 2026

August 20, 2026

SubSidekick has closed after 16 years. Here's what Frontline substitutes actually lost, what the official app does and doesn't do, and the honest options that remain.

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The 60-Second Window: How Fast Do You Have to Be to Win Frontline Jobs?

August 14, 2026

We watch Frontline postings around the clock. The best jobs vanish in under a minute — here's how the race really works, and how to stop losing it.

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The Substitute Teacher Shortage: Your Opportunity

October 1, 2025

Districts are desperate for subs. If you've been thinking about substitute teaching, this is your moment.

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Why You Keep Missing the Best Sub Jobs

September 15, 2025

Perfect job appears. You click. "No longer available." Someone got there first - by seconds.

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10 Classroom Management Secrets for Subs

September 8, 2025

28 pairs of eyes size you up. "Sub day = free day." You have 90 seconds to establish control.

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How to Maximize Your Sub Income

September 1, 2025

The difference between earning $15K and $35K+ as a sub? Strategy.

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Sub Teacher Burnout: Why Job Hunting Is Exhausting

August 28, 2025

5:00 AM. 6:00 AM. Finally a job posts. "No longer available." This is unpaid work just to get paid work.

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The Modern Sub's Tech Stack

August 18, 2025

Most ed-tech is built for full-time teachers. Here's what actually works for subs.

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Your First 30 Days: A Survival Guide

August 10, 2025

Starting as a sub? Here's what I wish someone had told me before my first day.

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How to Land Long-Term Assignments

August 5, 2025

A 6-week assignment can pay $3,600-7,200. Here's how to actually land them.

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When to Say No to Sub Jobs

July 25, 2025

The hardest word: "No." Why saying no strategically can make you more money.

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Elementary vs. High School: Which Pays Better?

July 20, 2025

Let's talk money, stress, and opportunities. The honest comparison.

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7 Expensive Mistakes Subs Make

July 15, 2025

Some mistakes cost money. Others cost reputation. A few cost both.

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Should You Sub Full-Time? The Honest Answer

June 28, 2025

Can you make a living as a full-time sub? Let's do the math.

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The Sub's Guide to Work-Life Balance

June 12, 2025

The appeal: flexibility. The reality: constant availability. Here's how to achieve actual balance.

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Tax Deductions You're Probably Missing

June 1, 2025

Subs often miss valuable deductions. The mileage alone can save thousands.

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