You can use the following link to gain some information about the school district in Roselle. It includes rankings and reviews of the school district. You might also want to call the district for more information. If I can be of any assistance, please don't hesitate to contact me.
Based on Federal and State law, as agents we cannot provide this type of information to potential buyers. You can actually use this website Trulia to get some of the answers to your questions. You can visit the stats and trend section and also read the market condition report for the town. There are also city-data reports for each town that you have interest in.