The Early Childhood Educational Opportunity Project seeks to provide comprehensive, transparent data on children’s skills and development at kindergarten entry across the U.S. to improve educational o...

Tracking exposures and health outcomes from wildfire smoke, extreme heat, and extreme cold.

As California sees an increasing amount of wildfires, researchers from Stanford University and a Northern California nonprofit are helping residents prepare for and manage their exposure to toxic wild...

Studying the impacts of environmental change on human health and well-being

Interactive state-by-state data on the practice of states and local governments charging fees for the day-to-day cost of incarceration.

The new Crime Index analyzes current and historical crime trends using data from hundreds of law enforcement agencies.

Real time eviction tracking in U.S. cities during COVID-19.

Remember those devastating learning losses that began during the pandemic? Turns out, they began years before COVID-19. Some states are finally turning things around.

See how your district’s scores have changed since 2015, and compare it with other districts.

Amid benefit cuts, rising rents, and immigration enforcement, renters faced mounting pressures in 2025. Our data show landlords still filed over 1.2 million eviction cases across the country.

The UCLA Law Behind Bars Data Project works to increase transparency and accountability in the US carceral system by compiling and researching data on deaths in custody.

Real time eviction tracking in U.S. cities during COVID-19.

The Legal Services Corporation funds over 100 legal aid organizations nationwide. Proposed budget cuts put their services in jeopardy, with potentially dire consequences for tenants facing eviction ac...

Analyzing force regulations across America's largest cities and providing communities with evidence-based tools to evaluate and reform local policing standards.

The same police action can be a policy violation in one city and standard procedure in another. And most Americans don't know which rules apply where.

Let’s raise the standard. Learn about smarter use of force policies for safer communities, and explore policies in departments across America.

Uniting science and the humanities to reimagine our future.

The UCLA Law Behind Bars Data Project works to increase transparency and accountability in the US carceral system by compiling and researching data on deaths in custody.

We are building tools for tracking debt collection nationwide.

The days of emergency rental assistance and eviction protections are long gone. Now, our data show that landlords are filing evictions at nearly the same levels as before 2020.

As California sees an increasing amount of wildfires, researchers from Stanford University and a Northern California nonprofit are helping residents prepare for and manage their exposure to toxic wild...

Studying the impacts of environmental change on human health and well-being

Use our visualizations to explore educational opportunity in your school & community.

The days of emergency rental assistance and eviction protections are long gone. Now, our data show that landlords are filing evictions at nearly the same levels as before 2020.

Compare pandemic learning loss and recovery in districts and states across the country.

The average American student remains half a grade level behind pre-pandemic levels of achievement in both reading and math.

New research drills down on poor student achievement and notes some school districts that are beating the odds.

We explain the ways students haven’t recovered.