I am not sure whether the three sentences make sense in term of grammar and semantics.
Can you give me a hand with checking them
Thank you for your help.
1. He is really in a predicament at which he has no school to attend this fall.
2. His consultant advised him to enter a short-term language school this summer in which to brush up on his English’s ability first and not to apply for the schools until he gets a decent score on TEFOL test.
3. He gets a difficult decision to make because he is not confident in whether he can pass the test and will be accepted into a well-known by taking his consultant’s advice.