Instructional Leadership Moderating the Impact of (In)Congruency Between Peer and Individual Student SES on Achievement
Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet
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in: Leadership and Policy in Schools, 20.08.2025.
Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet
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TY - JOUR
T1 - Instructional Leadership Moderating the Impact of (In)Congruency Between Peer and Individual Student SES on Achievement
AU - Bellibaş, Mehmet Şükrü
AU - Aydın, Burak
AU - Bowers, Alex
AU - Perry, Laura
AU - Pietsch, Marcus
N1 - Publisher Copyright: © 2025 The Author(s). Published with license by Taylor & Francis Group, LLC.
PY - 2025/8/20
Y1 - 2025/8/20
N2 - The present study aims to investigate how school segregation, as well as the (in)congruence between the school and individual SES, can explain the variation in student achievement. Additionally, it examines the role of instructional leadership in mitigating this association. Using international large-scale assessments (PISA-TALIS link data) from seven countries–Australia, Colombia, the Czech Republic, Denmark, Georgia, Malta, and Turkey–we applied several multilevel polynomial regressions with response surface analyses. The results showed that both individual SES and school segregation have a profound impact on student achievement, with varying results across countries. Second, we found differential school composition effects, with the school composition effect strongest for low SES students in high SES schools. Third, our results do not support congruence theory, but they do somewhat favor (in)congruence theory. Finally, strong leadership magnifies benefits for low-SES students in high-SES schools and for all students at low-SES schools. Implications for policy, practice, and further research are discussed.
AB - The present study aims to investigate how school segregation, as well as the (in)congruence between the school and individual SES, can explain the variation in student achievement. Additionally, it examines the role of instructional leadership in mitigating this association. Using international large-scale assessments (PISA-TALIS link data) from seven countries–Australia, Colombia, the Czech Republic, Denmark, Georgia, Malta, and Turkey–we applied several multilevel polynomial regressions with response surface analyses. The results showed that both individual SES and school segregation have a profound impact on student achievement, with varying results across countries. Second, we found differential school composition effects, with the school composition effect strongest for low SES students in high SES schools. Third, our results do not support congruence theory, but they do somewhat favor (in)congruence theory. Finally, strong leadership magnifies benefits for low-SES students in high-SES schools and for all students at low-SES schools. Implications for policy, practice, and further research are discussed.
KW - Educational science
UR - http://www.scopus.com/inward/record.url?scp=105013785788&partnerID=8YFLogxK
U2 - 10.1080/15700763.2025.2539806
DO - 10.1080/15700763.2025.2539806
M3 - Journal articles
JO - Leadership and Policy in Schools
JF - Leadership and Policy in Schools
SN - 1570-0763
ER -