And many of those of Hispanic origin feel "unwelcome in schools they had attended for years, " he added, basing these comments on interviews with students, parents, teachers and administrators.

CNN: STORY HIGHLIGHTS

The company also added more detailed student profiles, and online quizzes that teachers can administer to students at home or at school.

FORBES: Edmodo Wants To Make Social Networking A Learning Experience

He added, "Due to absence and inability of teachers to handle the students properly, dropout rate of students in rural areas is higher than urban centers".

UNESCO: EDUCATION

He added that he would like to see the focus shifted on to the needs of the surviving students and teachers.

BBC: Cho Seung-hui