Credit: Alison Yin for EdSource
Kindergarteners do an art project at Redwood Heights Elementary School in Oakland.
Update: The full-day kindergarten bill was vetoed by Gov. Newsom on Oct. 13, 2019.

Kindergartners across California could soon be spending more time in their classrooms if Gov. Gavin Newsom signs a bill approved by the state Legislature last week.

The legislation, Assembly Bill 197, introduced by Assemblywoman Shirley Weber, D-San Diego, would require every public elementary school, including charter schools, to offer at least one kindergarten class the same length as 1st grade, beginning in the 2022-23 school year.

Schools will be exempt if they don’t have enough kindergarten classrooms to offer a full-day class for all students and have to offer one part-day kindergarten class in the morning and one in the afternoon in the same classroom.

Full-day kindergarten is defined as any program lasting more than four hours, not including recess time. For example, a program beginning at 8:30 and ending at 1:30, would be considered full-day. Currently, California only requires part-day kindergarten, which lasts between three and four hours a day, not including recess time.

If Newsom signs the bill, California will join 14 other states and the District of Columbia in requiring districts to offer full-day kindergarten.

In 2017-18, 19 percent of school districts only offered part-day kindergarten, according to the Legislative Analyst’s Office. Seventy-one percent of school districts offered full-day programs in all their schools and 10 percent offered a combination of part-day and full-day kindergarten programs.

Schools with large low-income populations are more likely to already offer full-day kindergarten programs, according to a UC Berkeley analysis.

Click photo to see a map of full- and part-day kindergartens in California, by UC Berkeley researchers. Note: Map may take about 30 seconds to load.

Proponents of full-day kindergarten say more instruction time helps prepare students for 1st grade. “All California public school kindergarten pupils deserve the opportunity to maximize their growth, development and success at this critical time in their developmental process,” reads the bill.

The bill has strong support from First 5 California, a state commission focused on supporting children 5 years old and younger. Erin Gabel, deputy director of external and governmental affairs at First 5 California, said full-day kindergarten is good for families because they don’t have to pay for as many hours of child care. She said it’s also good for students to have more time for curriculum appropriate for their age, like learning through play and project-based learning.

“We think this legislation is incredibly crucial and overdue from the perspective of child development as well as the perspective of the working parent,” Gabel said.

Research on the benefits of full-day kindergarten is mixed. A 2010 review of research by Duke University researchers found that full-day kindergarten improved academic achievement, but by 3rd grade, children who attended half-day kindergarten had caught up with children who attended full-day kindergarten. They also found that full-day kindergarten improved children’s self-confidence and ability to work and play with others more than half-day programs did. But children might not have as positive an attitude toward school in full-day versus half-day kindergarten and may experience more behavior problems.

Other research shows stronger positive effects, although a key factor is the quality of the program offered.

Districts that have facility constraints can apply to the state’s Full-Day Kindergarten Facilities Grant Program for funding to build or renovate kindergarten classrooms. Newsom and the Legislature added $300 million to the grant program in the 2019-20 budget.

Lack of classroom space is not the only reason districts don’t offer full-day kindergarten. Some districts reported other reasons when surveyed by the Legislative Analyst’s Office earlier this year. Some reported concern that longer programs would cost more because they would need more staff, while others said teachers and parents preferred a shorter school day.

The state pays districts the same amount per kindergartner for both full-day and half-day programs. That means implementing full-day kindergarten may be an extra expense for some districts that do not yet offer it.

“The implementation of this bill would require the district to look at facility constraints to ensure appropriate accommodations for a full-day program at each site,” said Evita Tapia, a spokeswoman for the Corona-Norco Unified School District, which provides part-day kindergarten programs at its 30 elementary schools. “This legislation would also require a change in contractual agreements with our local teacher association as this would impact workload for kindergarten teachers.”

The Irvine Unified School District also offers only part-day kindergarten programs. Annie Brown, a spokeswoman for the district, said Irvine Unified might qualify for the exemption in the bill because the district uses the same kindergarten classrooms for morning and afternoon sessions and may not have enough classrooms to offer full-day sessions.

“In addition to offering our families early and late kindergarten options, IUSD is one of a few growing school districts in California and has had facilities constraints for more than a decade,” Brown said in an email.

The number of full-day kindergarten programs has grown significantly over the last decade, even without a state requirement. In 2007-08, 43 percent of kindergarten students were attending full-day programs, according to a survey by the Public Policy Institute of California. In 2017-18, the LAO estimated 71 percent of kindergartners were attending full-day programs.

The Santa Ana Unified School District and Capistrano Unified School District both launched full-day kindergarten in all of their schools this school year.

“We know that the more time our students are in school, the better they’re going to do in the later grades,” said Alfonso Jimenez, deputy superintendent of Educational Services at Santa Ana Unified. “That has been something that has been on our district’s radar for a long time. It was just a matter of whether we could roll it out.”

Jimenez said another factor that influenced the district’s decision to offer full-day kindergarten was that the district, like many in California, has been dealing with declining enrollment for years, and parents had been urging the district to offer full-day kindergarten.

“Some of the comments were, ‘I would send my students to your district if you offered full-day kindergarten,’” Jimenez said.

AB 197 was sent to Newsom on Sep. 12. He has until Oct. 13 to sign the bill.

This post has been corrected to reflect the correct deadline for the governor to sign the bill.

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  1. Astrid 2 years ago2 years ago

    I remember doing half day kindergarten and by noon I was done. I know things were very different back in the 90’s but my son at 5 just wants to play. I do learning with my son for at least 2 hrs if he is up for it. A full day will just make my son hate school than enjoying it. Most kids at that age love school, until they start full day, which all of us can relate.

  2. Cat 4 years ago4 years ago

    Ed code mandates 4 hours of academics only, so the rest is cheap babysitting. Plus, behaviors are worse and we don’t have the support for these students. Class size is also an issue

  3. Val Dawes 4 years ago4 years ago

    A full day is hard on children that age; they will tire and need naps then this becomes more of a day care. The teachers should receive more pay if this happens!

  4. Mary Ellen 4 years ago4 years ago

    “Research on the benefits of full-day kindergarten is mixed.” Unless all of the research indicates significant, long-term benefits, what is the point of this bill?

  5. Muvaffak Gozaydin 4 years ago4 years ago

    Good for California . Now your children will be ready for college when they grow up. To go to good college, you need a good preschool + K12. That is it. USA spent $11 trillion for 25 million BA holders during last 20 years. Shame.

  6. Jo 4 years ago4 years ago

    The elephant in the room is that our flawed capitalist society needs two parents working full-time to (barely) make ends meet. Instead of allowing children the time and space they need to be children, we not only push them into academics before they're ready, but both parents are essentially absentee while overworked, underpaid educators are essentially babysitters. The expectation that a 5-year old should sit still for a full day and then … Read More

    The elephant in the room is that our flawed capitalist society needs two parents working full-time to (barely) make ends meet. Instead of allowing children the time and space they need to be children, we not only push them into academics before they’re ready, but both parents are essentially absentee while overworked, underpaid educators are essentially babysitters. The expectation that a 5-year old should sit still for a full day and then reprimanding them for not being able to do so is straight child abuse.

  7. Lucy Babb 4 years ago4 years ago

    We wonder why we see a high increase of Teen-Suicide, ADHD, ADA medicated kids in our society today. Maybe it is due to the increase of pushing our kids too soon and expecting too much of them before they even allow them to be kids. China has one of the highest suicide rates among their youths. Lets’ allow kids to be kids before we push them into adulthood.

  8. Danielle 4 years ago4 years ago

    If you implement all day Kindergarten, you better implement lower class size and bring back music, library, and P.E. classes. I will not teach 32 5-year-olds all day. That is not productive, at all. Anyone would know that if you have stepped into a Kindergarten classroom.


    • Cat 4 years ago4 years ago

      Exactly! Danielle. Ask me how I am doing this year.

  9. Sue Boddy 4 years ago4 years ago

    My grandson just started full day kindergarten in Oregon. He says “ It’s like doing chores all day without playing. “ I get why it’s better for working parents, but playing is a kid’s job! Why squelch it at age 5?