The document discusses various placement and competitive tests used in education. It describes the purpose and process of placement tests used by colleges to assess students' readiness for coursework and determine appropriate class placement. These tests can also serve as gatekeepers. Competitive exams rank candidates according to their scores to determine admissions. Examples discussed include the IELTS and TOEFL English proficiency tests, the National Eligibility Test (NET) for teaching positions, and India's Teacher Eligibility Test (TET) for government school teaching jobs.