Professional record and academic credentials of the Educators at The Learning Co-op


Mary Abdullah, Ph.D.

Dr. Abdullah is an ESL and German Language and Literature teacher with over 35 years of experience. She has taught students at all grade levels, including IB German classes. Dr. Abdullah attended classes at the Interpreter’s Institute in Zürich, Switzerland as well as the University of Vienna, Austria.
Dr. Abdullah received a B.A. in German Studies from Hunter College, New York, and an M.A. and a Ph.D. in German Language and Literature from the University of Massachusetts at Amherst.
She has taught ESL and German at private and public schools in Europe and the United States, as well as undergraduate college classes at the University of Massachusetts, Columbia University, and Hunter College in New York. She has also taught ESL and German to adult students at language schools in New York City. Dr. Abdullah is an experienced Educational Consultant and offers study and test-taking skills as well as guidance and college counseling services. Additionally, Dr. Abdullah offers tutoring for the TOEFL and AP German test preparation.

Linda D’Argenio, Ph.D.

Dr. D’Argenio is an Italian and Mandarin teacher with over 20 years of professional experience at K-12 schools as well as colleges. She received her B.A. in Modern Languages and Literatures from the University Orientale in Naples, Italy, and her M.A. and Ph. D. in East Asian Languages and Cultures from Columbia University, New York. During her career as a school teacher, Dr. D’Argenio has successfully worked with students with a large range of learning capabilities. She accomplished this by differentiating and personalizing instruction according to each student’s needs. At the college level, she has taught undergraduate Chinese History and Literature classes at Montclair State University, NJ, and City College, NY. She has also taught Comparative Cultures at Brooklyn College, NY, and Conversational Italian and Writing Essentials at LIM, NY.

AbdeRahim Medjhoum

Mr. Medjhoum is a French teacher with 15 years of professional experience as a college instructor and private tutor. Throughout his career, Mr. Medjhoum has taught French to students of all ages and backgrounds. His classroom is a positive, engaging place where students feel comfortable learning and collaborating with their peers. Dynamic, patient, and fun, Mr. Medjhoum focuses on communication as the most important aspect of teaching a language. He pays close attention to the aims and needs of his students and empowers them with self-confidence and enjoyment of the learning process.


Angela Raborg

Ms. Raborg was born in Lima, Peru. From a very early age, she knew she wanted to be an educator. She obtained her Bachelor’s Degree in Education at the San Marcos University in Lima, Peru. In 1996 Ms. Raborg came to the United States, and since then she has taken on different educational roles in New York, such as Adult ESL teacher and K-12 Spanish teacher in both private and public schools. Her teaching style is best described as organized and focused. She utilizes various instructional methodologies to incorporate diverse activities and materials to engage and motivate students. As a Spanish teacher, her approach is not only to teach grammar but also to help students generate their own interest in learning about the Hispanic culture and the Spanish language. This is accomplished through music, songs, and Total Physical Response to teach reading, writing, listening, and speaking skills in Spanish. For the past 26 years, Angela has been providing dynamic, fun, cultural, and music-driven Spanish lessons. She has organized Spanish Spelling Bees and Hispanic Heritage Fairs for entire school communities, as well as traveled internationally with students.

Ronald Sarcos, M.A.

Mr. Sarcos is a Spanish and AP Psychology teacher with over 15 years of experience in education. He has a proven record of success in helping students earn record-breaking scores on standardized exams. Mr. Sarcos strives to reach every student by offering differentiated instruction tailored to each student’s individual needs. A native of Venezuela, Mr. Sarcos earned a B.A. in Journalism from La Universidad del Zulia in Maracaibo, Venezuela. Subsequently, he received an M.A. in Psychology from New York University.