How to Budget for Back-to-School and Kids' Yearly Costs

Kids' costs don't arrive as one neat monthly bill. School supplies and clothes hit in late summer, sports fees and field trips pop up mid-year, and birthdays, camps, and holidays land whenever they land. A kids' sinking fund turns those lumpy costs into one small, steady amount you save every month.

Costs vary a lot by age, school, where you live, and what activities your kids do. Every dollar figure in this guide is a made-up example to show the math, not a typical or expected cost. Use your school's supply list, last year's receipts, and real quotes to set your own numbers.

Step 1: List the back-to-school costs

• School supplies (check the school's list)
• Clothes and shoes that have been outgrown
• Backpack, lunchbox, water bottle
• School fees, technology fees, or a device
• Lunch account deposits

Step 2: List the costs that come up during the year

• Sports and activity fees, uniforms, and gear
• Field trips, school photos, fundraisers
• Birthday parties (theirs and their friends' gifts); a year-round birthday and gift budget helps here
• Summer camp or childcare during school breaks
• Haircuts, doctor and dentist co-pays
• A mid-year growth spurt (more shoes)

Go through last year's bank statements month by month. Most families find costs they forgot about.

Step 3: Do the math (example numbers)

Here's how the math works for one child, using example numbers only:

Swap in your own amounts. With more than one child, list each child separately, since their ages and activities differ.

Step 4: Set up the sinking funds

A sinking fund is money you set aside a bit at a time for a cost you know is coming. Two ways to set it up:

1. One "kids" fund. Example: $130 per month. Spend from it for anything on your list.
2. A few smaller funds. Example: back-to-school, activities, and camp as separate goals, each with its own due date. This helps if one cost (like camp) is big and has a deadline.

If you're paid every two weeks, split the monthly amount in half and move it each payday. If you start late (say in May for an August back-to-school), divide the goal by the months you have left, and expect a higher monthly amount the first year.

Step 5: Track what you actually spend

Keep receipts or a quick list through the year. Next year, your real numbers replace the guesses, and the plan gets easier.

Common snags

• Only planning for August. Activities, camps, and birthdays often cost more over the year than back-to-school does.
• Forgetting growth spurts. Plan for clothes and shoes more than once a year.
• Raiding the fund. Keep it in a separate savings account or a clearly labeled bucket.

If you want a spreadsheet for this: the Sinking Funds & Savings Goals Tracker ($5, Excel and Google Sheets) lets you set a target and date for each fund, like back-to-school or summer camp, and shows how much to save per month and per paycheck. A notebook works too.

Honest note: I make this template and sell it under Cedar & Ledger, so I'd earn from a purchase. All dollar amounts above are examples only. General information only, not financial advice.

Try the free sinking fund calculator (how much to save per paycheck) →

Related template: read about the savings goals template

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