This research examined the effect of some curriculum elements and school context on mathematics and science academic performance among 15 years old students. It specifically aimed to demystify the effect of school type, school size, location, economic, social and cultural status, class size, student-teacher ratio, shortage of educational staff, shortage of educational material on students' achievement in science and mathematics. It analyzed the results of the 2018 PISA-Saudi Arabia. The findings revealed weak and moderate associations between the variables. Much importantly, school shortage of educational staff and school economic, social, and cultural status seems to have significant influence  on mathematics and science academic performance.

Curriculum, school, mathematics

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