Homeschooling offers students a more time-efficient education that allows the student to focus on the education which is the sole purpose of school. Homeschooling also gives the teacher an in-depth assessment of a student's strengths and weaknesses by visually seeing which subjects they excel at and which ones they are weak at. At this point students can increase their individual progress in each subject. Homeschooling allows control of the environment in which a student learns to maintain the student's concentration. This will reduce the chances of drug use, bullying and violence. Samuel Blumenfeld said this about the importance of homeschooling: “The home is a safe haven for children in a world awash with drugs, sexually transmitted diseases, violence, and moral corruption” (Cindy Mur et al.76). When parents understand that home is the safest place for their children, then they will act as Blumenfeld concludes: “I look forward to the day when public schools are practically empty, not because we have abolished public education, but because parents will do it." they abandoned it” (Cindy Mur et al.