Grammar skills:
Present simple and present continuous questions
Past simple of irregular verbs
Writing skills:
Vocabulary skills:
Listening skills:
Reading skills:
Meeting people for the first time
KET Word list/Список слов
KET Sample papers/Примеры заданий
KET SPEAKING PART 1 SAMPLE QUESTIONS/ВОПРОСЫ ИЗ УСТНОЙ ЧАСТИ
KET FOR SCHOOLS SPEAKING: РАЗБОР ВОПРОСОВ И ОТВЕТОВ. КРИТЕРИИ ОЦЕНИВАНИЯ.
You can get more information from the official website