What should my child know before kindergarten?
Less academic than you'd think. When US kindergarten teachers rated what matters, 96% put being healthy, rested and well fed at the top, and 84% said being able to say what they need. Only 10% rated knowing the alphabet as very important. Aim for a rested child who can wait a turn, follow directions, ask for help and manage a coat.
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What kindergarten teachers actually want
In 1993 the US Department of Education asked public kindergarten teachers to rate what matters for readiness. The top answers:
- Physically healthy, rested and well fed: 96% called it very important or essential.
- Can say what they need, want and think, in their home language: 84%.
- Enthusiastic and curious about new activities: 76%.
Near the bottom: knowing the letters of the alphabet (10%) and counting to 20 or more (8%). To a teacher, a child who sleeps well and can say "I'm hungry" is more ready than one who can count to 100.
The child who has a good first year is rarely the one who can recite the alphabet backward. It's the one who can hang up her own coat, wait for a turn, say "I need help," and get curious about the fish tank.
The skills teachers see missing
Later surveys say the same thing about what goes wrong. In a national survey of about 3,600 kindergarten teachers in the 1990s, 46% said half their class or more had trouble following directions. When researchers repeated the survey in 2015 with more than 500 teachers, 62% said about half or more of their class had trouble working on their own, and 51% said the same about following directions.
Getting along matters beyond test scores, too. In a US study that followed 753 children from kindergarten to about age 25, higher teacher ratings for cooperating, sharing and helping were linked to better odds of finishing high school on time and earning a college degree. That was correlational.
So the target is clear: self-regulation (calming down, waiting and sticking with a task), talking, getting along and curiosity. These lean on the brain's "manager" skills, often called executive function, which grow fast between 3 and 6. Our page on building self-control and focus in preschoolers has ten free games that practice them.
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A kindergarten readiness checklist
The middle column comes from the CDC's milestones for age 5, paraphrased. Each is something 75% or more of children do by that age, so missing one is a reason to ask, not a diagnosis.
| Area | By about 5, most children… | Easy ways to practice |
|---|---|---|
| Talking | Tell a story with at least two events; keep a conversation going for more than three exchanges | Ask "What happened next?" at dinner |
| Getting along | Take turns in games | Board games, catch, a regular playdate with the same friend |
| Numbers | Count to 10 | Count real things and end on the total: "Three crackers!" |
| Sounds and letters | Use or recognize simple rhymes; name some letters; write some letters in their name | Rhyme chains in the car; magnetic letters while you cook |
| Body and hands | Hop on one foot; button some buttons | Playdough, child scissors, threading pasta, outdoor play |
Note the word "some." Some letters, not all 26.
Independence: what helps most on day one
Every coat a child can zip alone is a minute the teacher gets back. Independence is also a feeling: I can handle things.
- Dressing. Lay clothes out in order. Teach the "coat flip": coat on the floor, hood by the feet, arms in, flip it over the head. Pick shoes she can fasten herself.
- Toileting. Aim for using the toilet alone, wiping, flushing and washing hands. Practice in the clothes she'll wear to school; belts and tight buttons cause accidents.
- Lunch skills. Opening her own lunchbox, containers and yogurt tubes. Teachers can't open twenty thermoses in two minutes.
- Asking for help. Role-play it: "Excuse me, I can't open this. Can you help me?" Let her practice on a librarian or a server.
Hold back from rescuing. Wait 10 slow seconds before stepping in.
General knowledge counts too. In one analysis of six long-term datasets, a simple test of what children knew about the social and physical world was a strong predictor of later science and reading. Trips to the farm, the hardware store and the library are school prep.
Numbers, sounds and letters, without flashcards
Understanding numbers is different from reciting them. A 2007 analysis of six long-term studies of close to 36,000 children found early math (knowing numbers and their order) at about age 5 was the strongest predictor of later school success, ahead of early reading and attention. It grows from everyday talk: counting real things, asking "how many?" and playing board games with numbered squares. See how to teach preschool math without worksheets.
Reading starts in the ear. Rhymes, clapping syllables and "I spy something that starts with mmm" build the sound awareness that predicts later reading. Letters start with her own name. Our page on whether to teach your preschooler to read covers the details.
Sleep and the school routine
Remember the teacher survey: "rested" came first. The American Academy of Sleep Medicine, endorsed by the American Academy of Pediatrics, recommends 10 to 13 hours in 24 hours, naps included, for ages 3 to 5. In a Quebec study of 1,492 children, those who persistently slept under 10 hours a night as young children scored lower on vocabulary and reasoning tests at school entry. That was observational, and sleep was mother-reported.
- Shift the schedule early. Two or three weeks before school starts, move bedtime and wake time by 15 minutes every few days until they match the school day.
- Make a picture chart for mornings: toilet, dress, breakfast, teeth, shoes.
- Practice the goodbye. One hug, one silly handshake, one "see you at pickup."
More in how much sleep a 3-year-old needs.
Do this
- Pick one self-help skill, like the coat flip or opening a lunchbox, and practice it until it's automatic.
- Count real things out loud every day and end on the total.
- Play one rhyme or sound game a day, in the car or the bath.
- Set up a regular weekly playdate with the same friend.
- Move bedtime earlier in 15-minute steps until your child gets 10 to 13 hours in 24.
When to ask your doctor
Check with your doctor or midwife first if…
- Your child was born early: ask your doctor which age to use for milestones
- Speech is a concern: ask for a hearing test as well as a speech check
- Your 5-year-old can't play rhyme games yet: mention it at the next checkup
- Your child's eyes seem to turn in or out: mention it soon rather than waiting months
Call your doctor now if…
- Your child stops saying words she used to say
- Your child stops making eye contact, or stops walking or using her hands the way she did
This page is general information, not medical advice. Every pregnancy and every child is different. Ask your doctor, midwife or pediatrician before changing supplements, diet or care.
Grow a Genius
In the book: Chapter 26: Getting Ready for School Without Flashcards
The chapter turns the teacher research into a printable school-ready week: 20 to 30 playful minutes a day across numbers, sounds, hands and friendships, with no flashcards in sight.
- The 7 Genius Builders, stage by stage
- 16 printable guides, including the Prenatal Label Decoder
- Built on 500+ sources from 35+ countries
- 90-day Double Guarantee
People also ask
Does my child need to know the alphabet before kindergarten?
Not all of it. In a US Department of Education survey, only 10% of kindergarten teachers rated knowing the alphabet as very important. By 5, CDC milestones include naming some letters and writing some letters in their name. Letter knowledge does predict later reading, so play with letters, starting with her name, but skip the drills.
Should my child be able to write their name before kindergarten?
Some letters of it is typical. The CDC's age-5 milestones include writing some letters in their name. Writing one's own name is also one of the early skills linked to later reading. Practice for real reasons, like signing a birthday card with one wobbly letter, and build hand strength with playdough and scissors.
What is the most important skill for kindergarten?
Teachers point to self-regulation: calming down, waiting a turn, following directions and working on their own. In a 2015 survey, 62% of kindergarten teachers said about half or more of their class had trouble working independently. Being rested and able to say what you need also topped the list.
Should I hold my child back a year if their birthday is close to the cutoff?
There's no single right answer. A Danish study of about 54,000 children linked starting school a year later to less parent-rated inattention and hyperactivity at 7, but Denmark has high-quality universal pre-K, so the extra year was a good year. Talk it over with your preschool teacher and pediatrician.