This research aims to reveal the opinions of teachers about the development of assessment activities in updated educational conditions. The study was conducted with the phenomenology pattern, one of the qualitative research designs. Study data were collected with semi-structured interview forms applied to primary, secondary, and high school teachers. The participants of the study consisted of 20 primary school teachers, 20 secondary school teachers, and 20 high school teachers who were working in various schools in Kazakhstan in the 2021-2022 academic year, who agreed to participate voluntarily in the research. As a result of the research, among the answers given to the question about the advantages of online education, the majority of the participants believed the advantages include financial advantages, time advantages, and transportation advantages. Among the answers given to the question about the disadvantages of online education, the majority of the participants believed the disadvantages include adaptation problems, problems in social relations, and connection problems.