When do kids start preschool?
When will my child start kindergarten?
Enter your child's birthday and state to see the school year they start kindergarten, the year they're pre-K/TK age, and the grade they're in right now.
Estimates based on each state's published kindergarten entrance cutoff. Districts can set their own rules — always confirm with your local school district. Not legal or enrollment advice.
What grade is my child in? Age-to-grade chart
A quick reference for the typical grade at each age, from preschool through elementary. Use the calculator above to see the exact school year your child starts kindergarten.
| Age | Typical grade | Notes |
|---|---|---|
| 2 | Toddler / twos | Optional — some centers accept 18–24 months |
| 3 | Preschool | Play-based social & language learning |
| 4 | Pre-K / TK | Kindergarten readiness; TK where available |
| 5 | Kindergarten | Turn 5 by the state cutoff (often Sept 1) |
| 6 | 1st grade | |
| 7 | 2nd grade | |
| 8 | 3rd grade | |
| 9 | 4th grade | |
| 10 | 5th grade | |
| 11 | 6th grade |
Typical preschool ages by program
- Toddler classrooms: Often 18 months to 2.5 or 3 years. Focus on routines, language, and safe exploration.
- 3-year-old preschool: Usually for children who turn 3 before a program’s cutoff. Emphasizes social skills, sharing, and early learning through play.
- 4-year-old / pre-K: For children turning 4 by the program’s cutoff. More focus on letters, numbers, following directions, and kindergarten readiness.
Readiness matters more than age
A child who is technically old enough may still not be ready, while a younger child may thrive. Signs of readiness include being able to separate from a caregiver, follow simple two-step directions, use the bathroom independently (most programs require this), and interact with peers without constant one-on-one support.
If your child is not quite ready, a part-day program or another year at home can be a better fit than rushing enrollment.
Birthday cutoffs and enrollment calendars
Preschools set their own birthday cutoffs, usually September 1 or December 1. A program that says “must be 3 by September 1” will not accept a child who turns 3 on September 2 until the following year.
Some schools offer rolling admission or mid-year start dates, but popular programs often have application deadlines six to twelve months before the school year begins.
Frequently asked questions
- Can a 2-year-old go to preschool?
- Many centers accept children at 2 or 2.5 in toddler or “twos” classrooms. These rooms focus on routines, language, and socialization rather than academics.
- Is 4 too late to start preschool?
- No. Many children start at 4 in a pre-K classroom and do very well. What matters is matching the program to the child’s needs and kindergarten timeline.
- What age is pre-K?
- Pre-K is usually for 4-year-olds, sometimes for 4- and 5-year-olds who are not yet entering kindergarten.