Students applying for first-year admission should submit the Common Application or the St. Lawrence Application. Students must also submit: official high school transcript(s), a counselor letter of recommendation, and two academic teacher letters of recommendation. International students must also submit the International Student Certification of Finances. St. Lawrence is test optional for all students. Students whose native language is not English and are not attending an English-speaking school must submit TOEFL or IELTS scores as proof of English language proficiency.

Transfer applicants should submit the Common Application or the St. Lawrence Application. Students must also submit: official high school transcript(s), official college transcript(s), the Academic Evaluation for Transfers, the Transfer College Report, and the Mid-Term Report. International students must submit the International Student Certification of Finances. St. Lawrence is test optional for all students. Students whose native language is not English and who are not attending an English-speaking school must submit either TOEFL or IELTS scores as proof of English language proficiency.