Thoreau Elementary School 4th Grade Fourth Grade Staff Jessica Vu Grade4 jvu@concordps.org Grade 4 Teacher Amelia Burns Grade4 aburns@concordps.org Grade 4 Teacher Nancy Dillon Grade4 ndillon@concordps.org Grade 4 Teacher Addison Hagan Grade4 ahagan@concordps.org Long-term Substitute Teacher Lorie Ogilvie Grade4 logilvie@concordps.org Grade 4 Teacher