A Comparative Analysis of English Test Scores in the Vietnamese National High School Graduation Examination During the Period 2020-2023

Abstract

English is the most used language online, with nearly one billion users typing and chatting in the language. English is now widely spoken throughout the world and is necessary for people to be able to communicate and fit into the real world. In Vietnamese high schools, learning English has become an important task for students. The aim of this paper is to cary out a comparative analysis of English test scores (ETSs) in the Vietnamese National High School Graduation Examination during the period 2020-2023. In this study, datasets of English test scores during the period 2020-2023 were first collected. To find patterns of ETSs, the frequency of ETSs was firstly calculated. Histograms were then used to plot the frequency against ETSs to study the distribution of ETSs in each year. Finally, a comparative analysis of ETSs during the period was carried out. It was found that the distribution of ETSs during the period 2020-2023 was skewed to the right, which shows that the number of high ETSs tends to be more prominent. In addition, the high ETSs in 2021 were found to be much higher than those obtained from the yeas of 2020, 2022 and 2023. Findings in this study suggest that ETSs during the period 2020-2023 met the requirements for graduate recognition. It can be concluded that the role of English language in career advancement is undeniable in this era of globalization. Keywords: Comparative analysis, English Test Scores, Vietnamese National High School Graduation Examination, Period 2020-2023.