U.S. figures are appended for comparison. There is detailed data here not readily available elsewhere. Choose your state from the map and then search by school district or by county. The University of Michigan Documents Center publishes this well-maintained comprehensive set of links to statistical resources. A new section of statistical reports on school violence was recently added.
Some education related information is available.
The University of Virginia Library hosts this Geospatial and Statistical Data Center, which contains the 1988 and 1994 County and City Data Books. These statistical compendiums report various data at the county, state, city and place level. Click on a level, and then select the state. A wide range of variables are available at different levels, such as population, crime, births, deaths, educational attainment, economic and financial data, and much more. You can find population by race, age, and sex, as well by income and poverty level.