Miriam Castillo

Profile

Licensed early childhood educator with 9 years of classroom experience designing play-based curricula for children ages 3–5 in Title I and private settings. Specializes in social-emotional learning frameworks and differentiated instruction for dual-language learners. Reduced challenging behavior incidents by 38% over two years through structured Conscious Discipline implementation.

Work Experience

Lead Preschool TeacherAug 2019 - Present

Bright Horizons Learning Center, Austin, TX

Designed and delivered a thematic, play-based curriculum for 22 children ages 3–4, raising school-readiness assessment scores by 24% over one academic year
Implemented Conscious Discipline strategies across a classroom of 22 students, cutting documented behavior incidents from 52 to 32 per semester within 18 months
Mentored 3 assistant teachers through weekly coaching sessions, reducing staff turnover on the team from 40% to 12% over two years

Preschool TeacherJun 2016 - Jul 2019

Sunshine Academy, San Marcos, TX

Taught a bilingual Pre-K classroom of 18 Spanish- and English-speaking children, increasing dual-language vocabulary benchmarks by 31% as measured by the CIRCLE Progress Monitoring tool
Collaborated with a speech-language pathologist to develop individualized support plans for 4 students with IEPs, resulting in 3 students meeting grade-level language goals ahead of schedule
Organized 6 family engagement workshops per year, boosting parent attendance at conferences from 55% to 88% over two academic years

Teacher's AideSep 2014 - May 2016

Tiny Scholars Child Development Center, Austin, TX

Supported lead teacher in daily instruction for 20 preschoolers, managing small-group literacy rotations that helped 14 of 16 targeted students reach phonemic awareness benchmarks by year-end
Maintained accurate developmental observation records for 20 children using Teaching Strategies GOLD, achieving 100% on-time portfolio completion for two consecutive semesters
Prepared and restocked 15+ learning center stations daily, ensuring materials aligned with weekly lesson themes and Texas Prekindergarten Guidelines

Skills

Texas Pre-K Guidelines & TEKS alignmentTeaching Strategies GOLD documentationConscious Discipline frameworkCIRCLE Progress MonitoringIEP collaboration & implementationDual-language / bilingual instruction (English/Spanish)CPR & First Aid certified (AHA, exp. 2028)Child Development Associate (CDA) credentialSocial-emotional learning (SEL) curriculum design

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