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Assessing Transitional Kindergarten’s Impact on Elementary School Trajectories

By Julien Lafortune, Laura Hill

California’s Transitional Kindergarten (TK) program provides an early year of schooling within the K–12 system. Launched a decade ago with limited eligibility, TK will soon be open to all four-year-olds. Taking stock of the program’s impact so far—especially among multilingual and special education students—can help TK expansion succeed.

Fact Sheet

Poverty in California

By Sarah Bohn, Caroline Danielson, Sara Kimberlin, Patricia Malagon

With the end of many pandemic relief programs, poverty rates—especially for children—have gone up in the last two years.

Fact Sheet

Crime Trends in California

By Magnus Lofstrom, Brandon Martin

Violent crime in California has ticked up in recent years, with a pronounced increase in incidents involving guns since 2019. Property crime has also risen steadily statewide, and rates now stand slightly above pre-pandemic levels in 2019.

Explainer

Race and Diversity in the Golden State

By Hans Johnson, Eric McGhee, Carolyn Subramaniam, Vicki Hsieh

California is one of the most diverse states in the nation, but disparate outcomes persist across and within racial groups.

event

Managing Water and Farmland Transitions in the San Joaquin Valley

Achieving groundwater sustainability is vital to the health of the San Joaquin Valley’s communities, agriculture, environment, and economy—but the transition will be challenging. How can the region ensure the best outcomes? Authors of a new PPIC study and a diverse group of local and state experts will discuss key issues and solutions to some of the valley’s looming challenges.

Report

Examining the Reach of Targeted School Funding

By Julien Lafortune, Joseph Herrera, Niu Gao

Under California’s ten-year-old funding formula, districts with higher shares of high-need students receive additional dollars on top of base funding. Districts have flexibility around spending these funds, but when money is not fully directed to the intended students and schools, the impact on achievement gaps is diluted.

blog post

Tropical Storm Hilary Wallops Southern California

By Jeffrey Mount

Tropical Storm Hilary hammered Southern California on Sunday, after making a destructive run over Baja California. The damage was real, but thankfully there was no loss of life. But there are a few things we do know—or can surmise—about why this rare event occurred, and the dangers such events will pose to California now and in the future.

blog post

Fostering Fairness in Flood Risk Management

By Sarah Bardeen

The US Army Corps of Engineers is responsible for planning and building much of the nation’s flood management infrastructure. In the past, the Corps used an economic evaluation system that favored projects in wealthier areas, that now appears to be changing. We asked the Corps’ Dr. Tessa Beach to tell us more.

blog post

Multi-unit Housing Is Becoming More Common, but Has Low Homeownership Rates

By Hans Johnson, Eric McGhee

Since 2010, almost half of new housing units built in California have been in multi-unit buildings, a larger share than in previous years. Compared with single-family homes, residences in multi-unit housing are more likely to be rentals and tend not to draw families.

blog post

Large Cities Lose Population even as They Add New Housing

By Hans Johnson

In a major shift, new housing in California now outpaces population growth. We look at what kinds of housing are being built where—and potential implications for affordability and future population patterns.

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