We migrate only Statutory Key Stage data (Standardised Assessments and marks for students in these assessments) from SIMS, Progresso, CMIS and ScholarPack. You can see where to find this information here: DfE statutory Primary Assessments
We don't migrate any other assessment types into Arbor.
You'll need to set up marksheets and input or import your baselines, marks and targets to track Curriculum statement completion and analyse your assessment data. Get started by following these instructions: