Faculty & Staff

Photo: Shana Schnur Photography,LLC

Teaching and Support Staff

GJA is home to 20 staff members and countless volunteers, led by Head of School, Andre Del Valle. Mr. Del Valle graduated from Syracuse University with a B.A. in Political Science and Psychology and holds two master’s degrees from Pace University with concentrations in Educational Administration and Teaching. Mr. Del Valle joined the faculty of GJA in 2004, becoming Assistant Head of School for Operations in 2007. His work at GJA includes leadership in all areas of school life: faculty development, admissions, fundraising, student/family outreach, and academics.

B.A. Spanish Language and Music

Colgate University, 2001

Spanish, Grade 5, 6; Math, Grade 6

B.S. Music Education, Penn State 1993

M.A. Jazz Studies, DePaul University 1997

Band (Instrument), Grades 4-8

B.A. Childhood Education & Mathematics, Hofstra University, 2013

M.S.ed., Literacy Studies, Lehman College (expected, 2017)

Teacher, Grade 4

B.A. Evolutionary Biology, Harvard College, 2013

Science, Grades 6-8

B.A. English, University of Illinois Champaign-Urbana, 2007

M.A. English Secondary Education, New York University, 2009

English and Civics, Grade 8

B.A. English and Art History, Wellesley College, 2013

Language Arts and Social Studies, Grade 5

B.A. Spanish Music and Literature, Bennington College

M.S. Special Education, City College (expected 2018)

Science Grades 4-5, Math Grade 5

Lehman College, CUNY

Office Manager

B.A. English, Georgetown University, 2006

M.Div. Harvard University, 2013

Language Arts Grade 6; Public Speaking Grade 7

B.S. Art Education, Kutztown University

M.A. Professional Teaching, Morningside College

Studio Art, Grades 4-8

Operations Manager

B.A. Spanish Literature, Colgate University, 2012

M.A.T. Spanish, CUNY Hunter College, 2014

Spanish, Grades 7-8, Global Scholars Grade 6

B.A. English, Brown University

J.D. Northwestern University

M.A. The University of Chicago

M.A.T. English Education, NYU

Language Arts, Grade 7

B.A. cum laude Philosophy, Xavier University

M.A. Classical Languages, University of Missouri

Ph.D. Classical Studies, University of Florida


Latin, Grades 7-8

B.A. Mathematics, Queens College, CUNY, 2013

M.A. Mathematics Education, Columbia University, 2016 expected

Mathematics, Grade 7-8

Senior Leadership Team

Title Name Qualifications
Head of School Andre Del Valle B.A., M.A., M.A.
Associate Head of School Aisha Lloyd Williams B.A., M.A.
Academic Dean Nicole McCabe B.A., M.S.
Director of High School Placement Bernadette Sarlo B.A., Certificate (College Counseling)
Director of Development Sara Murphy B.A., M.A.
Associate Director of Development Rebecca Tatum B.A., M.A., Ph.D.
Alumni Affairs and Recruitment Manager  Larissa Floy  B.A.


In grades 4 and 5 classes are kept to 19 students or less, in 6, 7 and 8 classes are kept at 18 students or less.

The best way to contact teachers is via email. Their emails are generally the first letter of their first name followed by their last name @georgejacksonacademy.org.

All GJA students have a thorough advisory system in which each students sees his advisor up to nine times weekly in addition to class time.