JLCT means Japanese Language Capability Test.

Principally this test is conducted to measure the Japanese language communication skill of a non-native Japanese people. It has 5 levels and those are JCT1, JCT2, JCT3, JCT4, JCT5.Further JLCT checks Japanese-language communication skill by dividing the test in following three sections in each level:
1) Japanese Language knowledge (Character, vocabulary, grammar).
2) Comprehension reading.
3) Listening.