Fatih Şeker, Bahattin Aydinli
A Trial Patch to Sustainable Development: Perspectives from Extracurricular Activities of Elementary Schools in Turkey
Science & education
study reported article analyzed length time required 1548 advantaged limited english proficient lep students become proficient english academic purposes receiving instruction english subject areas variables included age arrival english proficiency level upon arrival basic literacy math skills native language upon arrival number years schooling english second language contentarea achievement measured students performance science research associates tests reading language arts mathematics science social studies results indicated lep students entered esl program ages 811 fastest achievers requiring 25 years reach 50th percentile national norms subject areas tested lep students entered program ages 57 13 years behind performance level lep peers entered program ages 811 groups length residence arrivals ages 1215 experienced greatest difficulty projected require much 68 years reach gradelevel norms academic achievement schooled second language whereas groups may reach proficiency subjects little 2 years projected least 48 years may required ages lep students reach national gradelevel norms native speakers subject areas language academic achievement measured standardized tests