A new UCLA study confirms what your instincts already knew: kids weren’t meant to grow up on blacktop. Across California, public schoolyards are dominated by asphalt, concrete, and metal equipment, often with barely a tree in sight. According to researchers at UCLA and UC Davis, more than half of K–12 students in the state attend schools with virtually no tree cover. In Southern California, the problem is even worse: 59 percent of schoolyards are blacktop, and only 20 percent feature any kind of landscaped natural space.
It’s a troubling picture. But it’s also a wake-up call for parents looking for something better.
The new study, known as the California School Tree Study, was led by environmental scientists and public health experts who analyzed 475 school sites across Los Angeles, the Bay Area, and the Central Valley. Their findings are stark: the average tree canopy across all schools is just 6.4 percent. Blacktop covers up to 60 percent of many campuses. The lack of shade and natural ground cover contributes to:
- Dehydration
- Overheating
- Skin burns from hot surfaces
- Reduced cognitive performance
- Less physical movement
- Lack of exploratory play.
One UC Davis researcher put it plainly: “It’s just not suitable for kids,” especially for children who may not have access to green space outside of school. In many cases, the schoolyard is their only daily opportunity to be outdoors in nature.
At Nature Scouts Collective (check out our program), we believe children learn best through play, movement, and exploration — outdoors. Our nature-based enrichment program isn’t just a breath of fresh air. It’s a complete shift in what childhood can look like. Instead of asphalt, we offer shade from trees, not shade structures. We encourage play on soil, not synthetic turf.
Kids get to learn with all five senses, in rhythm with the natural world, at Nature Scouts Collective. Kids thrive because of the connection between natural environments and healthy brain development. And more and more parents across North County San Diego are opting out of traditional indoor classrooms in favor of hands-on, outdoor-based programs.
Parents are increasingly searching for terms like “outdoor learning environment near me,” “nature enrichment for kids,” and “play-based outdoor programs in San Diego.” Why? Because they’re noticing the difference. Kids come home less overstimulated and more grounded. There’s a noticeable boost in creativity, resilience, and joy. Children get real-world experience solving problems, building things, and observing the world in motion.
Whether it’s our Little Scouts (ages 4-6; three-year-olds accepted on a case-by-case basis), Junior Scouts (ages 6 to 9) or Survival Scouts (ages 9 to 12), Nature Scouts Collective provides something traditional schoolyards can’t: real dirt, shade, and the mental, physical and spiritual benefits of learning outdoors.
The UCLA study proves something simple: kids need nature. Not once or twice a year on a field trip, but several times a week (if not every day). So while the state considers long-term infrastructure changes, you can give your child the benefits of a nature-rich childhood right now. Come visit us in North County San Diego. See what it looks like when the classroom has no walls and the sky is the limit.
If you’re considering a nature enrichment program for your child, you’ll be happy to know that Nature Scouts Collective is a vendor of charter school programs, including Pacific Coast Academy (PCA). Don’t hesitate to reach out to me with any questions you have.
To your child’s health and happiness!



