PCC science schools or princess Chulabhon’s college schools is Group of Science high schools have twelve schools in Chulabhon’s group. This school Have scholarship support for student who has talented in math and science so every student is leaning in PCC schools to receive. Which is to help lighten the burden of parents.The aim is to create a good scientist to develop the country. Focusing on the teaching in mathematics and Science in particular and the content to leaning is more difficult than the other schools. All students in this school have to stay in the dormitory. Student cam come back Home only twice a month But it was the train they live by themselves. And OBEC School is schools use on normal course in learning and Students must pay in vain of all. In this school the students are diverse and different more than student in PCC science schools and have time to take extra tutorial class and has Spending time with my family but students are not learning how to live my own life but student in OBEC schools Gain more experience from the outside world schools than student in PCC science schools that majority of students live only in school. And there all of difference between PCC science schools and other OBEC school. Finally, in choosing to study depending on the preference and the appropriateness of each person.