Children can gain half a shoe size over a single Toronto summer, sometimes a full one, and most of that growth happens out of sight in sandals and bare feet. Twenty minutes on a weekend afternoon is enough to run the nine checks below. Do them before the first bell and you will catch the most common September foot problems while they are still small.

This checklist is the quick companion to our full guide to back-to-school foot care for kids in North York, which covers the reasoning behind each point in more depth.

1. Measure both feet, late in the day

Feet spread slightly after hours of standing and walking, and one foot is almost always a little longer than the other. Measure in the afternoon, measure both, and fit to the larger foot. A shoe that fits a rested morning foot can pinch by home time.

2. Run the thumb test on the current pair

Have your child stand up in the shoes they would wear next week. Press down in front of the longest toe. You want roughly a thumb's width of space to the end of the shoe. Anything less means the pair is outgrown, whatever the label says; sizing varies enough between brands that the thumb beats the number every time.

3. Flip last year's shoes over

Wear patterns are a free gait report. Even wear across the heel and the ball of the foot is normal. Heavy wear along the inside edge, one shoe wearing much faster than its partner, or a heel counter collapsing inward all say something about how your child actually moves. If a pattern looks lopsided, our explainer on what a gait analysis reveals shows how a chiropodist turns those clues into a plan.

4. Trim toenails straight across

Do this a few days before new shoes go on, not the night before. Cut straight across and leave a sliver of white; rounding the corners or cutting too short is how ingrown nails get started, and a stiff new shoe pressing on a freshly cut corner speeds that along.

5. Sort the sock drawer

Outgrown socks cram toes together just as effectively as outgrown shoes. Toss anything with worn heels or seams that leave marks on the skin. For kids in daily gym and recess, snug synthetic or wool-blend socks manage sweat far better than loose cotton, which stays damp and rubs.

6. Look between the toes

Pools, splash pads and camp showers over the summer leave some kids carrying peeling or itchy skin between the toes into the school year. Check now, and make sandals a habit for any shared shower or change room. Our post on why fungal infections take hold and how to head them off covers what those warm damp floors do and what to watch for.

7. Plan a ramp, not a leap

The jump from an unstructured summer to daily recess, gym class and tryouts is a real load spike for growing feet. Heel soreness in active children between eight and fourteen often shows up two or three weeks into that spike, when the growth plate at the heel gets irritated. Building activity up over a couple of weeks helps, and so can simple conditioning; we cover which routines have evidence behind them in our review of foot strengthening exercises.

8. Watch the first two weeks

Kids rarely announce foot pain. They limp, walk on the outside of a foot, refuse a particular pair of shoes, or slow down noticeably at pickup. Rubbed spots, blisters that keep reappearing in the same place, or redness around a toenail are all worth acting on early rather than waiting for complaints.

9. Book a check if anything stood out

Anything on this list that did not look right is a reason for a professional look. A chiropody foot assessment covers structure, gait and footwear in one visit, and nail or skin problems are treated under medical foot care. First time bringing a child? Here is what a first visit with a chiropodist looks like.

Frequently Asked Questions

How much growing room is too much?

Stick to about a thumb's width. Buying two sizes up feels economical, but a shoe that long makes the foot slide, bunches the toes on push-off, and causes the very blisters and tripping you were trying to avoid.

My child never mentions their feet. Can I skip the checks?

No, and that silence is exactly why the checklist exists. Children adapt around discomfort instead of reporting it, so the evidence shows up in behaviour and wear patterns long before words do. The nine checks above take twenty minutes and do not rely on your child saying anything.

Is heel soreness after the first gym classes just part of growing?

Often it is activity-spike irritation at the heel's growth plate, which is common in growing athletes and settles with sensible load management. Soreness that persists beyond a few days, causes limping, or keeps your child out of activities they enjoy deserves an assessment rather than a wait-and-see.

How often should I recheck shoe fit once school starts?

Every six to eight weeks for a growing child. Put a recurring reminder in your phone and repeat the standing thumb test; it takes thirty seconds and catches a growth spurt before the shoe does damage.

Want a professional set of eyes before September? Donwood Foot Clinic sees children and teens at our North York clinic, and late-summer appointments are the easiest to get. Book online or call the clinic to set up an assessment before the school rush.