<human>:  Oxford High School has 48 teachers, 1 principal and 15 classes with each having 20 students. How many people are there in total in Oxford High School?
<bot>: How many students are there? ** There are 48 teachers. There is 1 principal. There are 15 classes × 20 students/class = 300 students.
How many people are there in total? ** The total number of people in Oxford High School are 300 people + 48 people + 1 people = <<300+48+1=349>>349 people.
#### 349