This research aimed to assess the teaching of Electricity in the K-12 program in Batangas National High School. The study included the assessment on the status of teaching Electricity as to objectives, contents, methodologies and assessment tools. The extent of manifestation of teachers’ skills and competencies were also determined. Moreover, the issues and concerns encountered relative to meeting quality instruction were also considered. The researchers proposed measures that would strengthen the teaching of Electricity and improve TVL instruction. The study utilized descriptive method of research with questionnaire and interview as data gathering instruments. The study was limited to the responses of five electricity teachers and 125 Grade 9 students in Batangas National High School. Frequency, ranking and weighted mean were the statistical tools used to treat data in the study. The findings revealed that most of the objectives and contents of Electricity subject under K-12 curriculum were satisfactory attained by the teachers, they often used demonstration and drill to carry out their lessons while direct observation and practical exam were often used in assessing students’ performance. The study disclosed that the skills and competencies required in teaching Electricity were manifested to a great extent. Inadequate teaching guide, learning module, facilities, tools and materials were the issues and concerns relative to meeting quality instruction. The proposed measures when consider and implemented may strengthen the teaching of Electricity in secondary schools.