Mrs. Lalli holds a Bachelors degree in Psychology, Masters degree in Curriculum and Instruction: Secondary Mathematics, and a second Masters degree in Educational Leadership. All of her degrees were earned from George Mason University. Mrs. Lalli has taught in Fairfax County, online middle and high school, private school, and now Loudoun County at Lightridge High School as an inaugural member. 

In addition to teaching Mathematics, Mrs. Lalli is the Head Cheerleading Coach at Lightridge High School.