• Parent Portal/Student Information System

    Platte County R-3’s student and parent information system(SISK12 Parent Portal) allows parents access to important, up-to-date student information. With effective parent communication and involvement, we can help drive student success. Parent Portal allows parents access to class schedules, attendance, homework, grades, discipline, and lunch balances.
    Guide to Parent Portal Please contact your building front office staff or sishelp@platteco.k12.mo.us for assistance. If you have a red warning on your login screen please click on it to see if your browser is not compatible.