Rebecca Cosio
Downey,CA
Summary
- To continue my journey as an instructional coach by fostering collaborative, equity-focused practices that inspire teacher growth and elevate Tier I instruction. With twenty-five years of service in our district, I remain deeply committed to supporting educators and making a meaningful difference in the lives of all students.
Overview
26
26
years of professional experience
1
1
Certification
Work History
Instructional Coach
EWCSD
Whittier, California
08.2025 - Current
- Strengthen Tier I instruction through collaboration, data-informed decision-making, and modeling practices that ensure every student has access to high-quality, standards-aligned learning.
Elementary Teacher
01.2000 - Current
- Experience across Kindergarten through 5th grade. Skilled in designing and delivering engaging, standards-aligned instruction that supports diverse learners academically, socially, and emotionally.
Math Intervention Specialist
EWCSD
Whittier, California
08.2021 - 06.2024
- Designed and facilitated targeted math interventions for students impacted by COVID-19 learning gaps, using progress monitoring to inform instructional adjustments.
Education
M.S. - Education, Multiple Subject Credential
National University
Costa Mesa01.2003
B.S. - Child Development
California State University
Fullerton01.1999
Skills
- Biliterate in Spanish
- Collaborative Planning
- Classroom Management
- English Language Development
- Guidance & Discipline
- Team Leadership
- Building Rapport and Trust
- Equity-Driven Instructional Practices
- Fostering Student Belonging and Engagement
- Committed to Continuous Improvement
- Goal-Oriented and Ambitious
Certification
• Thinking Maps (Trainer-of-Trainers)
• Reflective Learning Walks
• ELL Shadowing
•Model Teacher and Trainer for campus-wide academic initiatives.
•Teacher of the Year - 2017.
• Reflective Learning Walks
• ELL Shadowing
•Model Teacher and Trainer for campus-wide academic initiatives.
•Teacher of the Year - 2017.
Leadership And Contributions
- BTSA New Teacher Induction Mentor
- Thinking Maps & Reflective Learning Walks Trainer
- English Learner Lead
- Million Word Club Coordinator
- PTA Liaison
- Student Council Advisor
- Talent Show Organizer
- School Site Council
- Instructional Leadership Team
- Expanded Learning Opportunity Programs: Dance, Coding, Theatre
- Admin Designee: Summer Academy & 5th Grade Camp Arbolado
- Lead for District Spelling Bee
- PBIS Coach
- MTSS Leadership Team
Timeline
Instructional Coach
EWCSD
08.2025 - Current
Math Intervention Specialist
EWCSD
08.2021 - 06.2024
Elementary Teacher
01.2000 - Current
M.S. - Education, Multiple Subject Credential
National University
B.S. - Child Development
California State University