Effectiveness of Strategies Used by Heads of Schools in Enhancing Chemistry Performance in form Four National Examinations in Hai District, Tanzania

Abstract

The study was on effectiveness of strategies of heads of schools in enhancing chemistry performance in form four national examinations in Hai district-Tanzania. Target population included: heads of schools, chemistry teacher, form four chemistry students, zonal chemistry quality assurance officers and district secondary education officer (dseo). Both probability and non-probability sampling were used to obtain samples, stratified sampling followed by simple random sampling procedures were used to obtain schools. Questionnaires were administered to heads of schools chemistry teachers and students, for dseo and chemistry quality assurance officer interview guide were used. Document analysis guide collected secondary data. Split-half technique was used to obtain the reliability of the instruments. Statistical package for social sciences (spss) analyzed quantitative data while qualitative data were presented in narration form. Test for hypothesis was done using; pearson's product moment coefficient. The study found that :(i) heads of schools used varieties of strategies some were effective and others not. The findings showed that private secondary schools were better in utilizing effective strategies than public schools (ii) chemistry teachers and students used varieties of teaching and learning strategies in classrooms some were more used and others less used due to lack of teaching and learning resources. The study recommended that heads of schools should use effective strategies frequently and support teachers and students in enhancing chemistry performance. There was a statistically significant relationship between mean scores of effective strategies used by heads of schools and students chemistry performance in hai district.