INDIANAPOLIS (AP): Some Indiana school officials are worried about a rerun of last year's computer troubles with ISTEP exams as students have faced disruptions this week while taking practice tests.
 
       Zionsville schools technology officer Patti Bostwick tells The Indianapolis Star that students experienced computers freezing up Monday and Tuesday, but no problems were reported Wednesday.
 
       A report found about 80,000 Indiana students had ISTEP exams interrupted last spring when server glitches from contractor CTB/McGraw Hill kicked them offline.
 
       The Indiana Department of Education says fewer than 10 percent of more than 300 ISTEP calls this week have been related to computer difficulties. The agency says it is working to ensure the ISTEP exams can start next week as scheduled.
 
       A CTB/McGraw Hill spokesman didn't immediately return a message seeking comment.