Life in high school was the best memory for almost all students, which will be held at any time during the rest of the life. The mood of students would be complicated when they have memories of high school life.
Life in high school is the best memory for students, almost all of which is kept constant during the remaining life. Students will be complicated emotions when they recall memories of high school life.
Life in high school is the best memory for students, almost all of which are stored at any time during the rest of my life. The emotions of students must be complicated when they remember the memories of life in high school.