Why Are There Twelve Grades of School?

Today’s Wonder of the Day examines how a dozen years can seem like forever!

The School Years: What are the year names and what age groups are in them?

Upper School – Academics – Beaufort Academy

Academic Progress for English Learners: The Role of School Language Environment and Course Placement in Grades 6-12 - Public Policy Institute of California

Inside the IB: Grades 11 & 12

EXPLO Age-Grade Conversion Chart

Grades 9-12 Model Curriculum

Chameleon: High School · Charlotte and William Bloomberg Medford Public Library

Essential Qualities of Modern K-12 School Software Solutions - Blackbaud

Grades 7-12 Semester Test Schedule - Adams Central Public Schools

This book is great for any education professional; it will teach and inform you about health problems that could arise in any middle or high school.

Health Problems In the Classroom (Grades 6-12)

Upper School Students Achieving High Grades - Montverde Academy

Opinion: End the grading system in K-12 schools

How to Interpret Grades 9 - 12 Report Cards

Twelfth-Grade NAEP Scores Offer More Bad News for Reading, Stagnation in Math – The 74