1. When "education" represents an abstract and inseparable concept, it is an uncountable noun. For example, when we say that "education is an important asset of a country", education is an uncountable noun.
2. When "education" means a specific institution or a special type of educational experience, it is a countable noun. For example, when we say "I'm going to take a music education class", the word "education" here is countable, and the word "education" has a plural form. In this case, "education" refers to specific and countable activities or courses.