Điền từ vào chỗ trống:
elementary school, formal, higher education, qualifications
 1. Schools and universities should make sure that students have the skill and.....to succeed in competitive job market.
2. Having a(n).....education isn't the only means of acquiring knowledge: people who are not able to attend school learn in other ways.
3. Schoolchildren should be helped to develop an active and enquiring mind, starting at....
4. It's not necessary for everyone to have access to....; there are many other ways to prepare for the job market