Over the past 25 years, the number of assistant principals has been steadily increasing, as has the number of principals with prior experience as an assistant principal. However, the knowledge base on assistant principals has not grown in parallel with their increased presence in schools. There is also little discussion about how the assistant…

Monitoring the Future (MTF) is designed to give such attention to substance use among the nation's youth and adults. It is an investigator-initiated study that originated with, and is conducted by, a team of research professors at the University of Michigan's Institute for Social Research. Since its onset in 1975, MTF has been funded continuously…

Monitoring the Future (MTF) is designed to give attention to substance use among the nation's youth and adults. It is an investigator-initiated study that originated with, and is conducted by, a team of research professors at the University of Michigan's Institute for Social Research. Since its onset in 1975, MTF has been funded continuously by…

The present volume presents new 2020 findings from the U.S. national Monitoring the Future (MTF) follow-up study concerning substance use among the nation's college students and adults from ages 19 through 60. This volume reports 2020 prevalence estimates on numerous illicit and licit substances, examines how substance use differs across this age…

Monitoring the Future (MTF) is designed to give attention to substance use among the nation's youth and adults. Since its onset in 1975, MTF has been funded continuously by the National Institute on Drug Abuse -- one of the National Institutes of Health -- under a series of peer-reviewed, competitive research grants. The 2020 survey, reported…

The "Annual Disability Statistics Compendium" and its compliment, the "Annual Disability Statistics Supplement," are publications of statistics about people with disabilities and about the government programs which serve them. The "Compendium" and "Supplement" are designed to serve as a summary of government…

This report draws on an array of nationally representative surveys and administrative datasets to present statistics on high school dropout and completion rates. The report includes estimates of the percentage of students who drop out in a given 12-month period (event dropout rates), the percentage of young people in a specified age range who are…

The "2014 Disability Statistics Annual Report" is a companion volume to the "2014 Annual Disability Statistics Compendium." The "Compendium" presents many tables of data, including state and national values and trends over time. The "Annual Report" presents statistics from the "2014 Annual Disability…

A joint effort by the National Center for Education Statistics and the Bureau of Justice Statistics, this annual report examines crime occurring in schools and colleges. This report presents data on crime at school from the perspectives of students, teachers, principals, and the general population from an array of sources--the National Crime…

The "Annual Disability Statistics Compendium" is a publication of statistics about people with disabilities and about the government programs which serve them. It is modeled after the "Statistical Abstracts of the United States," published yearly by the U.S. Department of Commerce. The "Compendium" is designed to…

The nation's schools should be safe havens for teaching and learning, free of crime and violence. Any instance of crime or violence at school not only affects the individuals involved, but also may disrupt the educational process and affect bystanders, the school itself, and the surrounding community. Establishing reliable indicators of the…

Our nation's schools should be safe havens for teaching and learning, free of crime and violence. Any instance of crime or violence at school not only affects the individuals involved, but also may disrupt the educational process and affect bystanders, the school itself, and the surrounding community (Brookmeyer, Fanti, and Henrich 2006;…

The "Annual Disability Statistics Compendium" is a publication of statistics about people with disabilities and about the government programs which serve them. It is modeled after the "Statistical Abstracts of the United States," published yearly by the U.S. Department of Commerce. The "Compendium" is designed to…

The "Annual Disability Statistics Compendium" is a publication of statistics on people with disabilities and government programs that serve the population with disabilities and is modeled after the Statistical Abstracts of the United States, published yearly by the U.S. Department of Commerce. The "Compendium" is designed to…

Problem/Condition: Autism spectrum disorders (ASDs) are a group of developmental disabilities characterized by atypical development in socialization, communication, and behavior. ASDs typically are apparent before age 3 years, with associated impairments affecting multiple areas of a person's life. Because no biologic marker exists for ASDs,…