0 in parts of the UK, a school for children between the ages of about nine and 14
1 a school for children between the ages of about 10 and 14
Trajectories of physical aggression from toddlerhood to middle school.
Approximately 24% of the sample reported receiving free lunch at school at the beginning of middle school.
Contributions of genes and environments to stability and change in externalizing and internalizing problems during elementary and middle school.
Students' perceptions of teacher support and general self-esteem declined and depressive symptoms increased over the course of middle school.
Educational attainment was predominantly at the primary and middle school level.
This was accomplished by surveying over 2000 middle school, high school, and college (science and non-science majors) students.
Many of the changes associated with the transition to middle school are at odds with the developmental needs of adolescents.
Designing a consistent curriculum that will flow smoothly through primary, middle school and high school will take years to implement.
中文繁体
(英國9至14歲兒童入學的)中學, (美國11至14歲兒童入學的)中學…
More中文简体
(英国9至14岁儿童入学的)中学, (美国11至14岁儿童入学的)中学…
MoreEspañol
colegio para niños de 9 a 14 años, colegio para niños de 11 a 13 años, secundaria [feminine…
MorePortuguês
escola para crianças de 9 a 14 anos, escola para crianças de 11 a 13 anos…
MorePolski
gimnazjum…
MoreTürk dili
ortaokul, (ABD) 11-14 yaşları arasında çocukların devam ettiği okul…
MoreFrançais
collège [masculine], école [feminine] pour les enfants de 8 à 13 ans…
MoreNorwegian
ungdomsskole [masculine], barneskolen [masculine]…
More