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Meet Our Homeroom Teachers

for Academic Year 2025-2026

EARLY YEARS

Nursery

Lorena Magaly Acevedo Rojas

Teacher's name : Lorena Magaly Acevedo Rojas
E-mail : lorena_r@ras.ac.th

K1A

Rita Narula

Teacher's name : Rita Narula
E-mail : Rita_n@ras.ac.th

K1B

Diana Van Wyk

Teacher's name : Diana Van Wyk
E-mail : diana_w@ras.ac.th

K2A

Charlotte Leonczek

Teacher's name : Charlotte Leonczek
E-mail : charlotte_l@ras.ac.th

K2B

Clerees De Jager

Teacher's name : Clerees De Jager
E-mail : clerees_j@ras.ac.th

K2C

Ramona-Emilia Turcas

Teacher's name : Ramona-Emilia Turcas
E-mail : ramona_t@ras.ac.th

ELEMENTARY

K3A

Dawn Maldonado

Teacher's name : Dawn Maldonado
E-mail : dawn@ras.ac.th

K3B

Maria Ivelis Padilla Arias

Teacher's name : Maria Ivelis Padilla Arias
E-mail : maria_a@ras.ac.th

K3C

Martina Kovacic

Teacher's name : Martina Kovacic
E-mail : martina_k@ras.ac.th

G1A

Patrick Joseph Guerin

Teacher's name : Patrick Joseph Guerin
E-mail : patrick_g@ras.ac.th

G1B

Sabrina Irene Olivera

Teacher's name : Sabrina Irene Olivera
E-mail : sabrina_o@ras.ac.th

G1C

Shelia Jamiel Bruton

Teacher's name : Shelia Jamiel Bruton
E-mail : shelia_b@ras.ac.th

G2A

Donovan Patrick O'Connor

Teacher's name : Donovan Patrick O'Connor
E-mail : donovan_o@ras.ac.th

G2B

Milosav (Micky) Ristic

Teacher's name : Milosav (Micky) Ristic
E-mail : milosav_r@ras.ac.th

G2C

James Charles Cowie

Teacher's name : James Charles Cowie
E-mail : james_c@ras.ac.th

G3A

Marshel Adam Copple

Teacher's name : Marshel Adam Copple
E-mail : marshel_c@ras.ac.th

G3B

Donata Martin

Teacher's name : Donata Martin
E-mail : donata_m@ras.ac.th

G3C

Juan Antonio Sánchez

Teacher's name : Juan Antonio Sánchez
E-mail : juan_s@ras.ac.th

G4A

Leonard Coertse Batt

Teacher's name : Leonard Coertse Batt
E-mail : leonard_b@ras.ac.th

G4B

Adam Buchanan

Teacher's name : Adam Buchanan
E-mail : adam@ras.ac.th

G4C

Warren Fryar

Teacher's name : Warren Fryar
E-mail : warren_f@ras.ac.th

G4D

Mark Mills

Teacher's name : Mark Mills
E-mail : mark_m@ras.ac.th

MIDDLE SCHOOL

G5A

Darryl Crump

Teacher's name : Darryl Crump
E-mail : darryl@ras.ac.th

G5B

Demirel Pornamany

Teacher's name : Demirel Pornamany
E-mail : demirel_p@ras.ac.th

G5C

Rechelle Mosquito Labajo

Teacher's name : Rechelle Mosquito Labajo
E-mail : rechelle_l@ras.ac.th

G6A

Leandri Oosthuizen

Teacher's name : Leandri Oosthuizen
E-mail : leandri.o@ras.ac.th

G6B

Taran Stupka

Teacher's name : Taran Stupka
E-mail : taran_s@ras.ac.th

G6C

Bohdan Paketa

Teacher's name : Bohdan Paketa
E-mail : bohdan.p@ras.ac.th

G7A

Mauritz Smit

Teacher's name : Mauritz Smit
E-mail : mauritz_s@ras.ac.th

G7B

Aaron James Stine

Teacher's name : Aaron James Stine
E-mail : aaron_s@ras.ac.th

G8A

Muhammad Tamim

Teacher's name : Muhammad Tamim
E-mail : muhammad.t@ras.ac.th

G8B

Sheila Gulle

Teacher's name : Sheila Gulle
E-mail : sheila.g@ras.ac.th

HIGH SCHOOL

G9A

Josh Catlett

Teacher's name : Josh Catlett
E-mail : josh_c@ras.ac.th

G9B

Andrew Joseph Barker

Teacher's name : Andrew Joseph Barker
E-mail : andrew_b@ras.ac.th

G10A

Jeffrey Toledo

Teacher's name : Jeffrey Toledo
E-mail : jeffrey_t@ras.ac.th

G10B

George Schiminger

Teacher's name : George Schiminger
E-mail : george_s@ras.ac.th

G11

Keithan Torrey

Teacher's name : Keithan Torrey
E-mail : keithan_t@ras.ac.th

G12

David Swanson

Teacher's name : David Swanson
E-mail : dave.s@ras.ac.th

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