An achievement test evaluates a student's academic performance and is typically used to measure their knowledge and understanding of specific subjects. Similar tests with the same purpose include competency tests, aptitude tests, ability tests, and proficiency tests. A competency test measures a student's ability to perform a specific task or set of skills, while an aptitude test measures their natural abilities and potential. Ability tests are similar to achievement tests and measure a student's current knowledge, but proficiency tests focus on evaluating a student's skill level in a specific subject or discipline. Overall, these types of tests are important tools in assessing a student's academic performance, identifying areas for improvement, and measuring progress over time.