middle school

n.

中等学校，中学；

复数：middle schools

Dropping Out of Middle School : A Multilevel
Dropping out of Middle School: A Multilevel Analysis of Students and Schools
Student Motivation in Middle School:\nThe Role of Perceived Pedagogical Caring
Self-blame and peer victimization in middle school: An attributional analysis.
Social relationships and motivation in middle school: The role of parents, teachers, and peers.
Mathematics Achievement in the Middle School Years. IEA's Third International Mathematics and Science Study (TIMSS).
Inquiry in Project-Based Science Classrooms: Initial Attempts by Middle School Students
Gender and Computer Experience as Factors in the Computer Attitudes of Middle School Students
Self-Efficacy, Motivation Constructs, and Mathematics Performance of Entering Middle School Students.
Friendships, peer acceptance, and group membership: relations to academic achievement in middle school.