As a property owner in Lake County as well, there's a healthy tax base funneled to the schools. If you want an "opinion" on school pros & cons, we can speak directly. For generic report card information, here's a few sites I refer my clients to over & over again.
A good site for school reviews, all grades, is Great Schools at: http://www.greatschools.org/illinois
Here's a couple more sources:
Interactive Illinois Report Card: http://iirc.niu.edu/
Illinois State Board of Education: (for the analytical mind...see charts & results in PDF form)
Database: Find your school: ChicagoTribune.com