An assessment in general terms is any method teachers or professional use to gain information about a student. the reasons why we assess students are varied. when identifying a students’ strengths and weaknesses what is a commonly used assessment?

Diagnostic, formative, benchmark and summative are few assessments that are used to identify  students' strength and weaknesses.

Explanation:

There are four examples that helps a teacher identify the strength and weakness of a student. In diagnostic assessment, the student is analyzed by reading assessments and how fluent he is. He is also tested by the way he can cope up with a comprehension. In formative assessment, the student is watched and see how far he can understand the subject and is made to write a test time to time. The teachers questions the students as well as check over how their speech is. Benchmark and summative assessment are quite alike. A student's growth is tested with the end exam. A student is tested to see how far his knowledge is developed throughout the year with the help of benchmark and summative assessments.