Selina is a passionate teaching professional who specializes in high school mathematics. She has a proven track record of increasing her students' math test scores by an average of 20% through her classes. Selina is a friendly and outgoing online teacher who is capable of working with both children and adults. She has extensive experience and in-depth knowledge of advanced mathematics, having been a subject topper in both her undergraduate and postgraduate studies. Additionally, she has contributed to various international publications. Selina always maintains a positive attitude and is confident that she will achieve even greater success in the future. She has been instrumental in bringing laurels to many students.