COVID-19 Updates
Updated September 22, 2021

We are now only requiring a CC Vaccination Card for in-seat classes in Mass. See details. 

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Tregar, Betsy

English as a Second Language Program Chair
Senior Instructor
Harvard University
(617) 873-0187
School Affiliation

Cambridge College School of Education

Academic Focus
  • English as a Second Language
  • Sheltered English Instruction
  • Bilingual Education
  • Special Education
  • Early Childhood Education
Community Involvement
  • Founding Board Member: La Alianza Hispana, Inc. MultiService Center, Roxbury MA.
  • Achieved self-taught proficiency in Spanish while visiting student homes, participating in Boston Spanish Federation and Model Cities community meetings, and counseling Latino adolescents at Storefront Learning Center.
Courses Taught

SEI605 - Sheltered English Instruction Content License Endorsement Course
ESL630 - Equitable Assessment of ESL Learners
ESL691/2 - Professional Seminars
ESL635 - Sheltered Instruction and Assessment (SIOP)
ESL650 - Teaching Content to ESL Learners (CALLA)


Ed.D. - Harvard Graduate School of Education - Administration, Planning and Social Policy
MIT Sloan School of Management - Management Seminars
Ed.M. - Northeastern University - Special Education
B.S. - Tufts University - Child Study


We must help our students recognize the possibilities available to them, prepare them to analyze, explore, and reflect on the implications of each, and guide them to follow the path toward that which they most value.

Professional Experience
  • Boston Public Schools: Coordinated development of Boston Cloze Tests to assess reading proficiency in English, Spanish, Chinese, Portuguese, Cape Verdean, French, Haitian, Vietnamese, Greek, Italian, Cambodian.
  • Boston Public Schools: Director, Bilingual/ESL Programs; Title I Bilingual/ELL Compliance Coordinator; Project Director, multiple Federal ESEA Bilingual Curriculum Development and PD grants.
  • Professional Developer/Compliance: MA DESE Trainer of Trainers; MATSOL PD  Team; Support/Advise Districts preparing for Coordinated Program Review.
Awards & Recognitions
  • La Alianza Hispana, Inc.: Certificate of Appreciation for Contributions to the Latino Community
  • MA Council for Special Education: Outstanding Student
Research & Publications
  • English Language Support Manual for ‘Getting Ready to Read’, Houghton Mifflin Co. Boston.
  •  “Finding, Adapting and Developing Bilingual Curriculum” in Bilingual Education Management, George de George, Ed. Evaluation and Dissemination Assistance Center, Lesley College, Cambridge MA 1985.
  • Adapting Reading Recovery for Second Language Learners. (Ed.)
  • “Relationship of First and Second Language Oral Proficiency to English Reading Proficiency”, (with Bak Fun Wong) in Placement Procedures in Bilingual Education, Charlene Rivera, ed., Multilingual Matters Publication, London, England, 1984.
  • Low-Cost Initiatives to Improve Services for LEP Students (and others) in Your School’s Title I Program, Boston Public Schools.
  • Handbook for Teachers of ESL, ed., Boston Public Schools.
  • Language Exchange: A Newsletter for ESL Teachers, Boston Public Schools.
Selected Presentations

Selected Presentations in district PD for school-based Language Assessment Teams:

  • Identification and Placement of English Language Learners K-12.
  • Use Oral Language Assessment to Plan Instruction for English Language Learners.
  • Distinguishing between a student with a Language Disability and a student who is merely Learning a New Language.
  • Monitoring the Academic Progress of Former English Language Learners.
  • Interpreting the MA SGP (Student Growth Percentile) for Instruction.
Professional Memberships & Affiliations
  • TESOL (Teachers of Speakers of Other Languages)
  • MATSOL (MA Affiliate, Teachers of Speakers of Other Languages)
  • NABE (National Association of Bilingual Educators)
  • MABE (MA Affiliate, Association of Bilingual Educators)
  • Founding Member and Treasurer, Board of Directors: La Alianza Hispana, Inc. MultiService Center, Roxbury MA