... look at the overview of writing skills, teaching writing, assessing writing, and using writing portfolios Writing skills 2.1.1 Definitions of writing In language teaching, reading and listening are... implementation of writing portfolios to improve students’ writing skill It aims to find out how teachers can use writing portfolios to improve grade 10th students’ writing skill and students’ attitudes... p.211) assessment is used to collect information on a learner’s language ability or achievement In teaching and learning language, especially in writing skills, teachers can apply some kinds of assessment