- Peabody Picture Vocabulary Test – IV (PPVT)
- Pennies Story Problems (Jordan & Hanich)
- Perceived parenting style scale
- Perceived Stress Scale
- Petrill Educational Progress Survey
- Phelps Kindergarten Readiness Scale [2012 Restandardization]
- Phonological and Print Awareness Scale
- Phonological Awareness Literacy Screening [PALS]
- Positive and Negative Affect Scale (PANAS)
- Post-test scores
- Practical Adolescent Dual Diagnostic Interview-5
- Pragmatic Language Observation Scale
- PREPARE/ENRICH: Online Customized Version
- Preschool Early Numeracy Scale [PENS]
- Primary Test of Nonverbal Intelligence [PTONI]
- Program Administration Scale
- PTSD and Suicide Screener
- Qualitative Reading Inventory [QRI]
- Quiz
- Reading Self-Concept Scale: Attitude
- Reading Self-Concept Scale: Competence
- Reading Self-Concept Scale: Difficulty
- Researcher Developed
- Revised Child Anxiety and Depression Scale (RCADS)
- Revised IDEA Feedback for Administrators System
- Revised IDEA Feedback for Department Chairs System
- Revised NEO Personality Inventory UK Edition
- Reynolds Adaptable Intelligence Test
- Rivermead Behavioural Memory Test Third Edition
- Riverside Early Assessments of Learning
- Roll Evaluation of Activities of Life
- Rosenberg Self-esteem Scale
- Ross Information Processing Assessment-Geriatric Second Edition
- SALT Narrative Story Retell
- Scales for Assessing Emotional Disturbance Second Edition
- Scales for Rating the Behavioral Characteristics of Superior Students Third Edition
- Scales of Cognitive and Communicative Ability for Neurorehabilitation
- School Behaviours Rating Scale
- School Readiness Test
- School Reported Grades
- Science: Thinking with Evidence
- Self-Determination Assessment Internet
- Self-Directed Search
- Self-reported Grades
- Sensory Profile
- Short Parallel Assessments of Neuropsychological Status
- Social adjustment scale Self-report: Short Version
- Social Skills Rating System (SSRS)
- Social-Emotional Assessment/Evaluation Measure (SEAM(TM))
- Spanish Reading Inventory
