Scarlet fever is caused by an infection with group A streptococcus bacteria (usually strep throat). The bacteria make a toxin (poison) that can cause the scarlet-colored rash that gives this illness its name. Not all streptococci bacteria make this toxin and not all kids are sensitive to it.
Schools should start later so students would get more sleep at home and it would prevent them from sleeping in class, so the students would have more motivation and studentsâ academic grades would increase.Sleep is an important part to each and every person.It helps.chools should start later so students would get more sleep at home and it would prevent them from sleeping in class, so the students would have more motivation and studentsâ academic grades would increase. Sleep is an important part to each and every person. It helps.
The later high school classes start in the morning, the more academic performance improves. By Mark Fischetti | Aug 19, 2014. Parents, students and teachers often argue, with little evidence, about whether U.S. high schools begin too early in the morning.In the past three years, however, scientific studies have piled up, and they all lead to the same conclusion: a later start time improves learning.And the later the start, the better.n Europe, it is rare for high school to start before 9:00 a.m. Studies also show that common arguments against later start times ring hollow. In hundreds of districts that have made the change, students do not have a harder time fitting in after-school activities such as sports or in keeping part-time jobs.