However, here are some vocabulary categories and words that could apply:
General Positive Feelings:
* Exhilarating
* Memorable
* Transformative
* Unforgettable
* Triumphant
* Flourishing
* Exuberant
* Fulfilled
* Thriving
Specific to School:
* Academically successful
* Engaged
* Motivated
* Challenged
* Supportive
* Collaborative
* Growth mindset
* Passionate
* Inspired
* Connected
Social and Personal:
* Friendship
* Community
* Belonging
* Self-discovery
* Confidence
* Resilience
* Empowered
* Growth
* Meaningful
You could also use idioms like:
* A blast
* The best of times
* A dream come true
* A turning point
Examples:
* My school year was exhilarating because I finally found my passion for [subject].
* It was a transformative year, filled with new friendships and personal growth.
* The supportive environment in my classes made me feel engaged and motivated.
* I had a blast with my friends, making memories that I'll never forget.
Ultimately, the best words to describe the "best school year ever" are the ones that resonate most with the individual and capture their unique experience.