In color theory, a purple is defined as any non-spectral color between violet and red (excluding violet and red themselves). The spectral colors violet and indigo are not purples according to color theory, but they are purples according to common English usage since they are between red and blue.
Apex Learning was started in 1997 by Microsoft co-founder Paul Allen on the idea that online courses and test prep, which were already succeeding in higher education, could be applied to K-12.
admin2 April 15, 2011 3 Comments on Who invented School? Horace Mann was the first person who discovered school. School is also known as an educational Institution, which provides education to all. Parents send their kids to schools for attaining basic education which help them to become lifelong learners. In many developed countries, certain age limit, normally 16, is fixed till when children are required to go to schools.