When the results are released, the interface only lets you see result of one student. However you can also view the result of your whole school. This is how your school downloads the results of all students. Here’s how you can get school wise results,
Things you need:
Affiliation code of your school (search you school by district on http://cbseaff.nic.in/cbse_aff/schdir_Report/userview.aspx and note down the affiliation code)
Examination code (from your own admit card)
Roll number range whose results you want to check.
Now go to http://schoolcoderesults.nic.in and simply enter the above info along with your email id. The entire sheets will be emailed to you. I did it successfully for my school.