A High Intensity Electronic Health Intervention for the Reduction of Learning Disparities in Childhood Cancer Survivors

Inclusion Criteria: * Documented informed consent of the participant and/or legally authorized representative * Assent, when appropriate, will be obtained per institutional guidelines * Primary participating parent/caregiver is English- or Spanish-speaking (any race/ethnicity) * Child is aged 6-12 years (yr.) (for the website usability pre-study, child is age 8 - 12 yrs.) * Child understands English (but can be bilingual) * Child treated for acute leukemia (e.g., acute lymphoblastic leukemia, acute myelogenous leukemia) or lymphoblastic lymphoma * Child is in cancer remission and has completed cancer therapies, including maintenance treatment * Primary participating parent/caregiver has daily contact with the child * Child is enrolled in school Exclusion Criteria: * Recent or current participation in a behavioral intervention study with a similar focus * History of major psychiatric condition (e.g., psychosis) in parent or child * Severe neurodevelopmental disorder in the child (e.g., down syndrome, intellectual disability) * Child has previously used the IXL online learning program extensively and unwilling to regularly use it again * Any other condition that would, in the investigator's judgment, contraindicate the patient's participation in the clinical study due to safety concerns with clinical study procedures * Prospective participants who, in the opinion of the investigator, may not be able to comply with all study procedures (including compliance issues related …