What Is Transitional Kindergarten (TK)?

Transitional kindergarten, usually called TK, is a year of school for four-year-olds that comes before kindergarten and moves at a gentler pace. Other places call it pre-K, junior kindergarten or reception.

The short version

TK is a bridge year between preschool and kindergarten. Children attend a classroom, often with a trained teacher, and follow activities designed for younger learners than a standard kindergarten class. The name TK started in California, where it is part of the public school system, and is now used more widely. Elsewhere the same stage goes by names like pre-K, junior kindergarten or reception.

Who can attend, what it costs, and when it starts all depend on where you live. In California, for example, TK has been widening in stages to cover all four-year-olds. Check with your local school or district for the current rules in your area.

How TK differs from preschool and kindergarten

What children usually do

A TK day mixes whole-group time, small-group work, outdoor play, and hands-on centers. Children practice:

Do children need to know things before TK starts?

No. TK is built for children who have not been in school before. Teachers do not expect a four-year-old to read or write fluently. What helps most is comfort with routines, a little independence with bathroom and lunch, and the ability to be away from a parent for a school day.

If your child can say their first name, hold a crayon, and enjoy being read to, they are in a good place. Our readiness checklist covers more detail.

How worksheets fit in

Worksheets are only one small piece of early learning. For a four- or five-year-old, ten minutes of paper practice a day is plenty, and play, conversation, reading aloud, and real-life counting do most of the heavy lifting. We built the weekly plan on this site so that short sheets support what your child is already doing, not replace it.

Questions to ask your school

Try it with a worksheet

These weeks of the plan fit this guide:

Week 1: All About Me Week 2: Counting 1-5 Week 3: Letters A, B, C

More guides

This guide is general information for families and is not medical or professional advice. If you have concerns about your child's development, talk to your pediatrician or your school.