Grouping students into separate classes according to their 'ability' is an inequitable practice that does not, overall, improve academic outcomes. Research has continued to show that class ability grouping widens the educational gap between students from disadvantaged and privileged backgrounds. PISA data analysis suggests that class ability…

This study aims to evaluate the validity and practicality of a discovery-group learning model designed to enhance 21st century skills. The model includes a guidebook, teacher's book, student's book, and assessment sheet. The study involved three main stages: a preliminary study, prototype design, and evaluation. At the time of this article, the…

With most students around the world having experienced remote learning over the past year because of the COVID-19 pandemic, the importance of teachers and schools has become all the more evident. Temporary school closures underline how richly students benefit from being in school with their teachers and classmates. "Positive, High-achieving…

The OECD Programme for International Student Assessment (PISA) examines what students know in reading, mathematics and science, and what they can do with what they know. It provides the most comprehensive and rigorous international assessment of student learning outcomes to date. Results from PISA indicate the quality and equity of learning…

Country rankings based on the Programme for International Student Assessment (PISA) invite politicians and specialists to speculate about the reasons their countries did well or failed to do well. Rarely, however, do we hear from the students on whose performance these rankings are based. This omission is unfortunate for two reasons. First,…

The OECD Programme for International Student Assessment (PISA) examines not just what students know in science, reading and mathematics, but what they can do with what they know. This report is the product of a collaborative effort between the countries participating in PISA, the national and international experts and institutions working within…

In this study, the question "According to PISA 2009 data, what is the situation of the school policies and practices at upper secondary schools in Turkey?" was answered. Study group included 150 principals at upper secondary schools, which were taken into PISA 2009 Turkey sample. The data related to school policies and practices used in…

This country review offers an independent analysis of major issues facing the use of school resources in Portugal from an international perspective. It provides a description of national policies, an analysis of strengths and challenges and options for possible future approaches. The analysis focuses on the process of decentralisation of school…

Successful education systems are those that promote leadership at all levels, thereby encouraging teachers and principals, regardless of the formal positions they occupy, to lead innovation in the classroom, the school and the system as a whole. This report summarises evidence from the OECD Teaching and Learning International Survey and the OECD…

The main research question of this article is concerned with the combined estimation of the effects of educational systems, school composition, track level, and country of origin on the educational achievement of 15-year-old migrant students. The authors focus specifically on the effects of socioeconomic and ethnic background on achievement scores…

Competence in mathematics is integral to a wide range of disciplines, professions and areas of life. This Eurydice report reveals crucial elements of the policies and practices that shape mathematics instruction in European education systems, focusing on reforms of mathematics curricula, teaching and assessment methods, as well as teacher…