- Comprehensive Test of Phonological Processing (CTOPP): Sound Matching
- Comprehensive Test of Phonological Processing First Edition [CTOPP]
- Comprehensive Test of Phonological Processing Second Edition [CTOPP-2]
- Concussion Vital Signs
- Confusion, Hubbub, and Order Scale (CHAOS)
- Conners Continuous Auditory Test of Attention
- Conners Continuous Performance Test Third Edition
- Conners Kiddie Continuous Performance Test Second Edition
- Conners Teacher Rating Scale (CTRS)
- Cornell Critical Thinking Tests
- Correa-Barrick Depression Scale
- Correa-Barrick Postpartum Depression Scale
- Corsi Block Tapping Task
- Curriculum Specific Knowledge Test (CSKT)
- Curriculum Specific Knowledge Test (CSKT) (author created)
- Curriculum Specific Vocabulary Test (CSVT)
- Curriculum Specific Vocabulary Test (CSVT) (author created) (Proximal)
- Delis-Rating of Executive Functions (D-REF)
- Developmental Assessment for Individuals with Severe Disabilities
- Developmental Assessment of Young Children Second Edition
- Developmental Test of Auditory Perception
- Developmental Test of Visual Perception Third Edition
- Devereux Student Strengths Assessment Mini
- Diagnostic Achievement Battery Fourth Edition
- Diagnostic Achievement Battery Intermediate
- Diagnostic Assessment of Reading Comprehension (DARC)
- Diagnostic Test of Word Reading Processes
- Discern
- Disruptive Behavior Disorder (DBD) Rating Scale
- Disruptive Behavior Inventory (DBI)
- DWECK Growth Mindset Scale
- Dynamic Indicators of Basic Early Literacy Skills (DIBELS): First Sound Fluency [FSF]
- Dynamic Indicators of Basic Early Literacy Skills (DIBELS): Letter Naming Fluency [LNF]
- Dynamic Indicators of Basic Early Literacy Skills (DIBELS): Maze
- Dynamic Indicators of Basic Early Literacy Skills (DIBELS): Nonsense Word Fluency [NWF]
- Dynamic Indicators of Basic Early Literacy Skills (DIBELS): Oral Reading Fluency [ORF]
- Dynamic Indicators of Basic Early Literacy Skills (DIBELS): Phoneme Segmentation Fluency [PSF]
- Dynamic Indicators of Basic Early Literacy Skills [DIBELS]
- Early Childhood Environment Rating Scale
- Early Grade Reading Assessment
- Early Reading Assessment [ERA]
- EARS Evaluation of Auditory Responses to Speech (EARS)
- easyCBM
- Effortful Control Scale (ECS)
- Emergenetics Profile
- Emotion Regulation Questionnaire
- Emotion-Focused Educator SEL Survey
- Emotional and Behavioral Screener
- Emotional Intelligence Mindset Scale
- Emotional Intelligence Questionnaire
