The present study explores usage and metalinguistic knowledge of subordinate clauses among the National University of Lesotho (NUL) students. The research subjects were NUL English Language and Linguistics students. They were requested to write an essay on a given topic. Secondly, they were requested to answer a test on subordinate clauses. The findings of the present study reveal that NUL students have a reasonably high level of syntactic maturity in their writing as shown by how they used subordinate clauses. The data also demonstrate that there is no difference between second and third...