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Aslantas, Ismail – Education Sciences, 2020
It is widely believed that the teacher is one of the most important factors influencing a student's success at school. In many countries, teachers' salaries and promotion prospects are determined by their students' performance. Value-added models (VAMs) are increasingly used to measure teacher effectiveness to reward or penalize teachers. The aim…
Descriptors: Context Effect, Predictor Variables, Value Added Models, Teacher Effectiveness
Ruiz de Castilla, Verónica – Texas Education Research Center, 2017
From 2004/05 to 2014/15, the number of English learner students in bilingual or English as a second language (ESL) programs in Texas increased by 47 percent. In the Houston Independent School District (ISD)--the largest district in Texas and the seventh largest in the United States--30 percent of students are English learner students, and 92…
Descriptors: Teacher Certification, Academic Achievement, English Language Learners, English (Second Language)