Assessment tools are essential instruments used by professionals at OrbRom Center in Phnom Penh to evaluate the developmental, cognitive, speech, and occupational therapy needs of children with special needs. These tools help identify strengths and challenges, guiding personalized intervention plans. Commonly used assessments include the Vineland-3, WRAT-5, Sensory Profile 2, and DAYC-2, which support accurate diagnosis and effective therapy for autism, ADHD, speech delays, and other developmental disorders.