Do Early Childhood Milestones Predict What Your Child Will Be Like Later?
Last weekend, I dragged a box of old baby stuff down from the attic to clear space for my son’s new motorcycle tire, and at the bottom I found three tattered milestone binders: mine, my 17-year-old son’s, and my 14-year-old daughter’s. The pages were smudged with old banana puree and dotted with the scribbled notes my pediatrician left at well-baby checks. For my son, next to “walks independently” it says “10 months – early!” Next to “uses 10+ words” it says “16 months – advanced.” Everyone from my neighbor to my grandma told me I had a future academic on my hands, that his early development meant he’d be top of his class, destined for great things. For my daughter, next to “walks independently” it says “16 months – delayed, monitor gross motor.” Next to “expressive language” it says “24 months, <5 words – refer to speech.” I left that 15-month checkup crying in the parking lot, convinced I’d done something wrong, that she’d struggle in school forever.
When my daughter read that note out loud on Saturday, she snort-laughed into her soda. “Remember when you would point at every cow on the drive to grandma’s and make me say it? I just didn’t want to talk. I was too busy looking at the cows.” My son leaned over, flipped to his own page, and said, “Yeah, remember how everyone bragged on me for talking early? Now I can’t write a 5-paragraph essay without staring at a blank screen for three hours.”
I taught preschool for 8 years before I stayed home with my kids, and I saw this same cycle play out over and over. A mom would pull me aside after drop-off, voice tight, worried because her 2-year-old wasn’t talking yet while the playgroup next door had a kid reading sight words. A dad would brag that his 1-year-old was already walking, like that guaranteed a spot on the debate team in high school. Milestones get sold to parents as these roadmap signs, telling you exactly where your kid is headed. But after 17 years of my own kids and 8 years of a classroom full of them, I can say they’re almost useless for predicting who your kid will end up being.
There was a boy in my 4-year-old class who could never sit still for circle time, couldn’t remember the order of numbers 1 through 10, and refused to color inside the lines. His mom stayed after conferences one night crying, saying she was already scared he’d fail third grade. I pointed out that he could build a 3-foot-tall marble run out of recycled cardboard that actually worked, that he could draw a perfect map of our entire playground complete with every picnic table and slide from memory. No milestone checklist has a box for “can design a functional marble run at 4.” That kid got diagnosed with ADHD a year later, got accommodations, and last I heard he’s finishing up an architecture degree at a state university. The early “delays” people fussed over just meant he learned differently, not that he’d never excel.
It’s not that milestones don’t matter at all. They’re a useful screening tool for doctors to catch big problems early, and if your kid falls outside the typical range, you should absolutely talk to your pediatrician and get any support they need now. I got my daughter speech therapy, and it helped her build confidence when she finally started opening up – that support mattered for her right then, even if it didn’t mean she was always going to be behind. The mistake I see so many parents make is turning that current checkpoint into a permanent prediction.
What do I tell new parents to do instead? It’s two small, low-effort things that anyone can fit into their routine. First, separate “addressing a current gap” from “predicting the future.” If your kid isn’t walking at 14 months, get them checked out to rule out any physical issues, but don’t start mentally writing them off as not athletic or smart. If your kid is reading at 3, don’t start planning their Ivy League graduation – that just adds unneeded pressure no kid needs. Second, keep a tiny note in your phone, add one line a month, of something your kid spent more than 10 minutes doing that they loved that isn’t on any milestone checklist. It can be “arranged all my socks by color” or “took apart the entire TV remote and put it back together” or “talked for 20 minutes about why ants are cooler than people.” These little, unmarked obsessions tell you way more about what your kid will care about and be good at later than when they potty trained or said their first word.
Last week, my son spent three hours calculating the right spring rate for his motorcycle suspension, using algebra he’d learned in school last year that he swore he’d never use. He’s still not interested in writing essays, and he still doesn’t care what his class rank is. He’s applying to technical school next fall for automotive restoration, and he’s already got three local shops lined up for internships. My daughter just had her first poem published in a regional teen zine, and she writes three pages a day in her journal even when she doesn’t have homework.
I still don’t know what either of them will be doing in 10 years. Early milestones told one story, but the one they’re writing now is nothing like what anyone predicted. I stopped checking the boxes years ago. I just keep adding lines to that note in my phone, and that’s enough for now.
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