ABA & Behavior Support
Individualized, evidence-based support that builds meaningful skills, reduces barriers, and strengthens independence across home, school, and community.
Ask About ABA & Behavior Support
Supporting Growth, Every Step of the Way
Behavior, Learning, and Educational Support Built Around the Individual
Mason Dixon partners with individuals and families through individualized ABA and behavior support, parent coaching, IEP and 504 advocacy, evaluations, and school consultation.
Together, we build confidence, strengthen independence, and create meaningful progress across home, school, work, and community.
- BCBA-Led
- 20+ Years of Experience
- Early Childhood Through Adulthood
- Small by Design
Start With What You Need Most
Start by telling us what feels difficult, unclear, or overwhelming right now. We're here to help you to determine the the right kind of support you should begin with.
I need help with behavior at home or in the community.
Explore ABA and behavior supportI need guidance with an IEP, 504 Plan, or school meeting.
Explore IEP and 504 advocacyI think an assessment or behavior plan may be needed.
Explore assessments & behavior support planningOur school or district team needs support.
Explore support for schools and districtsI’m not sure where to start.
Start a conversation with our teamOur Services
Every individual, family, school, and support team brings different needs. Explore the ways Mason Dixon can help, or start a conversation and we’ll find the right path together.
Family Coaching & Support
Practical guidance and education that equip caregivers with the knowledge, skills, and confidence to support progress in everyday life.
Ask About Family Coaching & SupportIEP & 504 Advocacy
Advocacy and practical guidance to help families understand evaluations, prepare for meetings, and confidently navigate IEPs, 504 Plans, and school recommendations.
Ask About IEP & 504 AdvocacyFunctional Behavior Assessments (FBAs)
A careful, evidence-based assessment to understand why a behavior may be happening and identify practical, individualized support across home, school, or community.
Ask About Functional Behavior AssessmentsBehavior Intervention Plans (BIPs)
Positive, individualized plans that give families and school teams clear, consistent strategies for supporting meaningful progress.
Ask About Behavior Intervention PlansIndependent Educational Evaluations (IEEs)
Independent evaluations that help families and schools better understand a student’s needs and make informed decisions about support.
Ask About Independent Educational EvaluationsPractical, collaborative support that helps school teams understand behavior, strengthen consistency, and put meaningful strategies into practice.
Assessments & Behavior Support Planning
Thoughtful assessments and practical plans that help school teams understand behavior, strengthen consistency, and identify clear next steps for students.
Ask About Assessments & PlanningTeacher & Staff Coaching
Practical, collaborative coaching that helps educators apply supportive strategies with greater clarity, confidence, and consistency.
Ask About Teacher & Staff CoachingProfessional Development & Training
Relevant, practical learning experiences that help school teams better understand behavior and support diverse learners.
Ask About Professional DevelopmentSchool & District Consultation
Collaborative guidance for student, classroom, team, and systems-level needs, shaped around each school or district.
Ask About School & District ConsultationSupport That Builds Confidence, Skills, and Independence
We Equip, Not Direct
We give caregivers the knowledge, tools, and confidence to become the strongest advocates for the people they support.
Individualized From the Start
Every person, family, and situation is different. Support should be too.
Outcomes Over Hours
We measure success by meaningful progress and growing independence, not by how long someone needs us.
Better Together
Lasting change happens when individuals, caregivers, clinicians, schools, and support teams work together.
Lasting Change Happens Together
Mason Dixon works best with families who want to learn, be involved, and grow alongside us. We listen, collaborate, and build support together because the strongest outcomes happen when everyone has a voice in the process.
Meet the Team
Antoinette Toole
Founder
Board Certified Behavior Analyst Educational Advocate BCBA, LBA, LBS
Antoinette is a Board Certified Behavior Analyst with more than 20 years of experience supporting neurodivergent individuals from early childhood through adulthood across Maryland and Pennsylvania.
As a wife and mother of four, she pairs clinical and educational insight with a practical family perspective, helping families understand complex situations and feel confident advocating across home, school, work, and community.
She specializes in helping families make sense of complex situations, from reviewing evaluations and preparing for IEP meetings to identifying gaps in support. Her goal is to help families feel confident, informed, and equipped to advocate across every setting.
Antoinette takes a highly individualized, collaborative approach, working closely with families and other professionals to build consistency, alignment, and meaningful progress in everyday life.
She is deeply committed to raising the standard of care within the neurodivergent community and providing families with the insight, support, and partnership they deserve.
Kayla Dolch
Co-Founder
Board Certified Behavior Analyst Educational Advocate BCBA, LBA
Kayla has supported neurodivergent individuals from toddlerhood through adulthood since 2013, with experience in parent consultation, evaluation review, individualized treatment planning, and school support.
As a mother of three, she understands that lasting progress depends on supporting the whole family and building the education, confidence, and collaboration people need to move forward independently.
Kayla is passionate about supporting clients and their families through individual needs and life’s evolving changes, drawing on her wide-ranging experience with the neurodivergent population.
She is committed to high-quality, individualized, collaborative services that give people enough education, support, and confidence to reach greater independence.
Serving Families and Schools Across Northern Maryland and Southeastern Pennsylvania
Mason Dixon supports individuals, families, schools, and districts throughout York, Lancaster, and Adams Counties in Pennsylvania, and Baltimore, Harford, and Carroll Counties in Maryland.
Pennsylvania
Maryland
Guidance for Wherever You Are Starting
Explore clear, practical information created to help families build knowledge, understand their options, and move forward with greater confidence.
Explore ResourcesEvery Relationship Starts With Listening
Tell us what is happening and what your family needs most. We’ll listen, learn, and determine together whether Mason Dixon is the right fit and what kind of support may help.