Answer :
Final answer:
The most effective claim for mandatory year-round school is that more frequent breaks benefit students and teachers.
Explanation:
The most logical and precise claim for mandatory year-round school nationwide is: More frequent breaks are beneficial for students and teachers alike. This claim promotes the idea of year-round schooling by highlighting the benefits it can offer to both students and educators, making it a strong argument for its implementation.
Learn more about argument writing here:
https://brainly.com/question/13802657