Boston University admissions is very selective with an acceptance rate of 22%. 1,130 were here. Average ACT: 32. The average ACT score at Boston University is 32. The official page of Boston University Undergraduate Admissions. The official page of Boston University Undergraduate Admissions. 1,130 were here. 1,129 were here. The official page of Boston University Undergraduate Admissions. Boston University admissions is more selective with an acceptance rate of 19%. Boston University Essay Prompts One of the most common application essay topics at Boston University may be the following: explain why Boston University is a good fit for you. Even though the question itself is rather general, your response should be very specific. 1,130 were here. 1,129 were here. The official page of Boston University Undergraduate Admissions. 1,130 were here. Students that get into Boston University have an average SAT score between 1330-1500 or an average ACT score of 30-33. The official page of Boston University Undergraduate Admissions. The regular admissions application deadline for Boston University is January 1. 1,133 were here. The official page of Boston University Undergraduate Admissions. 1,130 were here. 1,130 were here. This score makes Boston University Strongly Competitive for ACT scores. The official page of Boston University Undergraduate Admissions. The answer should be clear, concise and straightforward. Boston University ACT Requirements. The official page of Boston University Undergraduate Admissions. Just like for the SAT, Boston University likely doesn't have a hard ACT cutoff, but if you score too low, your application will get tossed in the trash. The official page of Boston University Undergraduate Admissions.