Programs & Services | School of Imagination · Integrated Early Childhood Development
Inclusive preschool
Integrated therapy · Est. 2001
Tri-Valley · Dublin, CA
Enrolling now
Vogt Weekend · Jan 22–23, 2027
schoolofimagination.org Programs & Services
Integrated Early Childhood Services

Every service your child needs.
All in one place.

School of Imagination and Happy Talkers offer an integrated system of clinical therapy, inclusive education, and family support — coordinated across disciplines so your child never falls through the gaps.

Full clinical services — no preschool enrollment required
Accepting most major commercial insurance plans
New clinical referrals welcome — contact us today
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For Families

Noticing a developmental concern? Not sure where to start? We help families navigate from first question to the right support — quickly and clearly.

  • Evaluation and diagnostics (ADOS coming soon)
  • Speech, OT, ABA, infant development, social skills
  • Inclusive preschool enrollment
  • Insurance verification before first appointment
  • Response within one business day
Start the process →
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For Providers

Pediatricians, school psychologists, and Regional Center case managers — we're your integrated care partner in the Tri-Valley. Fast intake, real coordination.

  • Referral fax: (925) 236-9712
  • Response within one business day
  • RCEB vendorized: IDP · Speech & OT · Social Skills
  • Commercial insurance accepted
  • Interdisciplinary case collaboration available
Provider referral hub →
Happy Talkers Clinical Services

Six services. One coordinated team.

Each service is provided through Happy Talkers, our clinical hub operating since 2001. Clinical services are available to all children — no preschool enrollment required.

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Speech Therapy
18 months – 10 years

Communication, language development, articulation, fluency, feeding, and AAC. Individual and group formats available.

Insurance accepted RCEB vendorized
Learn more →
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Occupational Therapy
18 months – 10 years

Sensory processing, fine motor development, self-care, handwriting, attention, and regulation. Play-based and family-informed.

Insurance accepted RCEB vendorized
Learn more →
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Behavioral Therapy (ABA)
2 – 5 years

BCBA-supervised ABA delivered by trained RBTs. Communication, adaptive skills, reducing challenging behaviors, and building independence.

Insurance accepted Ages 2–5
Learn more →
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Infant Development Program
18 months – 3 years

Developmental milestone support, parent coaching, and Regional Center navigation for toddlers and their families.

RCEB vendorized 18 mo – 3 yrs
Learn more →
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Diagnostic Services (ADOS)
Coming soon · 18 months – 8 years

ADOS-2 autism evaluations launching in 2026. Children evaluated here have a direct pathway to Happy Talkers services — no starting over.

Coming soon Waitlist open
Join the waitlist →

All clinical services through happytalkers.org · Most major insurance accepted · RCEB vendorized · Scholarship support available

"No single discipline solves developmental challenges alone. Children benefit most when clinicians collaborate across specialties."

— Guiding principle · Integrated Early Childhood Care Initiative

Our Clinical Leadership Council coordinates:
Speech & language goals aligned with ABA and OT
Sensory and behavioral strategies coordinated
Interdisciplinary case conferences for complex needs
Educator-therapist collaboration within the preschool
SOI Preschool · Enrolling Now

An inclusive preschool built for every learner.

School of Imagination's preschool is designed for children with and without disabilities — learning together in small, carefully supported classrooms.

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Research-based curriculum

DRDP standards, Handwriting Without Tears, Zoo-phonics, and Zones of Regulation — designed for kindergarten readiness and a lifelong love of learning.

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Small class sizes — low ratios

13–17 children per class, 3 educators per room. Children stay in their classroom family all year.

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Connected to clinical services

Preschool children can access speech, OT, and behavioral support on-site. Therapists and teachers coordinate directly on each child's plan.

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Family-centered community

Parent education, orientation into the SOI community, and a team that supports the adults as well as the child.

Schedule a Tour →

Our Inclusion Model

Children with and without disabilities learn together in the same classrooms — not as an accommodation, but as an intentional design. It benefits every child in the room.

  • Access to developmental specialists who support all learners
  • Peer-to-peer modeling and authentic friendship
  • Builds empathy and collaboration in every child
  • Personalized support without pulling children from their home classroom
  • An environment where every child is appreciated, nurtured, and loved
"Autism is treatable, but only if it is diagnosed and treated very early. Happy Talkers is the leader in early screening — truly one-of-a-kind in the nation."
— Sumit Sen, M.D., FAAP, Autism & Child Development Specialist
Insurance & Access

Cost should not be a barrier to early support.

We accept multiple funding sources so families can access care through the pathway that works for them.

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Commercial Insurance

Most major plans accepted. Our revenue cycle team handles authorizations, billing, and claims on your behalf.

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Regional Center (RCEB)

Vendorized for Infant Development (HB0732), Speech & OT (PB1225), and Social Skills (PB4768).

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Out-of-Network Benefits

If your plan has out-of-network benefits, we provide documentation to support reimbursement. Contact us to discuss.

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Scholarship Support

Limited scholarship funding available for families who demonstrate financial need. Ask during your intake conversation.

Questions about your insurance? See the full Insurance & Access page →

Common Questions

Things families and providers ask us most.

Yes. We accept most major commercial insurance plans and handle all billing, authorizations, and claims through our Revenue Cycle team. We are also fully vendorized through RCEB for multiple service lines. Call us at (925) 829-9555 and we'll verify your benefits before your first appointment.
No. Clinical services through Happy Talkers are completely independent of preschool enrollment. Children of all ages can receive speech, OT, ABA, infant development, social skills, and diagnostics without being enrolled in the SOI preschool.
Our team responds to new inquiries within one business day. After initial contact, our intake team guides you through insurance verification, documentation, and scheduling. For provider referrals, fax directly to (925) 236-9712 for fastest processing.
For most therapy services you'll need a physician's referral or prescription, a current evaluation (we can help arrange one), and insurance information or Regional Center authorization. Our intake team walks you through every step — nothing falls through the cracks.
We are actively accepting new referrals across all clinical service lines. Wait times vary by service and current caseload. The best way to check availability is to start the intake process or call us at (925) 829-9555.
Our clinical team includes licensed Speech-Language Pathologists, Occupational Therapists, Board Certified Behavior Analysts (BCBAs), and Registered Behavior Technicians (RBTs). Charlene Sigman, our founder and program director, is a certified ESDM therapist and SLP with over 25 years of early childhood experience.
For the safety and privacy of children in our care, we don't allow unannounced walk-in visits. We welcome scheduled tours for preschool enrollment and can arrange provider site visits. Contact us to schedule — we're happy to talk.
For families
Ready to get started?
Tell us about your child — we'll verify insurance and connect you with our intake team within one business day.
Get started →
Preschool enrollment
Enroll for 2026–2027.
Our inclusive preschool is accepting applications. Schedule a tour and learn about availability.
Schedule a tour →
For providers
Refer a patient.
Submit online, fax to (925) 236-9712, or call (925) 829-9555. We respond within one business day.
Referral hub →
Questions? Call (925) 829-9555 · Fax referrals to (925) 236-9712 · happy@schoolofimagination.org