Last updated: November 11, 2026
Daycare is care for young children while parents work, usually from infancy and for a full workday. Preschool is an early education program, usually for ages 3 to 5, focused on getting children ready for kindergarten. Many programs, including WorldKids® School, combine both: full-day care with a preschool curriculum.
What is the difference between preschool and daycare?
The labels overlap more than most parents expect.
| Daycare (child care) | Preschool | |
|---|---|---|
| Main purpose | Safe, consistent care while parents work | Early learning and kindergarten readiness |
| Typical ages | Infants through 5 years | About 3 to 5 years |
| Typical hours | Full workday, often 7 a.m. to 6 p.m., year-round | Often half-day or school-day, sometimes following the school year |
| Curriculum | Varies widely, from play-focused to fully structured | Planned learning goals: early literacy, math, social skills |
| Licensing | Licensed by the state | Licensed by the state, unless run by a public school or another exempt program |
Look past the label to what your child does all day and whether the hours fit your family. A full-day center with a strong curriculum gives you both. A half-day preschool may still leave you needing care for the afternoon.
Is pre-K the same as preschool? Not quite. "Pre-K" usually means the year before kindergarten, for 4-year-olds. "Preschool" often covers ages 3 to 5. In Washington, the state's free preschool program, ECEAP, serves eligible 3- and 4-year-olds. In California, transitional kindergarten (TK) is free at public schools for every child who turns 4 by Sept. 1, starting in the 2025-26 school year.
When should my child start preschool?
Many children start preschool between ages 3 and 4. There's no single right age, and starting earlier isn't automatically better. What matters is a program that fits your child's stage of development.
Many working families never face a "start date" at all, because their child moves from an infant room to a toddler room to a preschool room at the same center. At WorldKids® School, programs generally run from about 2 months to 6 years old, so a child can grow up in one school. Starting ages vary by school, so check with yours.
If your child will learn a second language at preschool, earlier exposure helps. Nicole Chaudry, founder and CEO of WorldKids® School, points to the first six to seven years as the window when children pick up languages most like native speakers. "Really introducing them from infancy and immersing them into a language is the best time to do it," she said.
Is my child ready for preschool?
Readiness is less about academic skills and more about being able to handle a group day. Signs a child is ready:
- Can be apart from you for a few hours without long-lasting distress. Some tears at drop-off are normal.
- Can communicate basic needs, in words or gestures, to an adult who isn't a parent.
- Shows interest in other children, even if they mostly play alongside them rather than with them.
- Can follow a simple routine and a one-step instruction, like "wash your hands" or "find your shoes."
- Has some stamina for a busy morning, with or without a nap.
Does my child need to be potty trained? It depends on the program. Many full-day centers, including those with toddler classrooms, support children through potty training. Some preschool-only programs require it before enrollment. Ask each school directly.
What if my child isn't ready? A few months can make a big difference at this age. A toddler room in a full-day program is also a gentler step than a large preschool group.
Is part-time preschool a good option for a three-year-old?
It can be. Two or three mornings a week gives a 3-year-old time with other children, routines and teachers. That's often enough for a first year of preschool, as long as your family has care for the rest of the time.
Part-time works less well when:
- Both parents work full days. Part-time preschool still leaves gaps you'll have to fill.
- Your child needs consistency to settle in. Some children adjust faster when they come every day.
- The program is teaching a second language. Language comes from hearing it every day. The more hours a child spends in the language, the more they absorb.
Chaudry made the same point about public pre-K programs, which often run half-day. Her families, she said, are often "two working parents, two professionals" who "rely on the longer day."
How WorldKids® School combines care and preschool
WorldKids is a full-day program, which means it works as daycare in hours and as preschool in curriculum. Children are grouped by age, from infant to toddler to preschool classrooms. The day is play-based, with music, art and dramatic play, and it's built to prepare children for kindergarten. All of it happens in Spanish or Mandarin.
Read more about our approach, or find a school near you.
Still comparing programs? Our checklist for choosing a daycare or preschool covers what to ask on a tour, and how tuition works explains what drives the price.
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Learn about the values that guide us
The WorldKids® curriculum introduces our young students to culture through music, dance, food, language and dress, children expand their knowledge and understanding of the world. The WorldKids® culture is devoted to helping each child grow toward independence by building confidence, competence, self-esteem and respect for others. WorldKids® classrooms follow a multi-age mixclass-room philosophy and encourage children to learn from each other and take on different roles while they grow within their group.
