Here we report on the successful implementation of an online experimental summary sheet that enabled the continual student monitoring of a large cohort of students undertaking a 6 week enquiry-based laboratory project. Students submitted a weekly research summary that contained information about their data analysis and future experimental plans. These experimental summary sheets, which were viewed on a weekly basis by members of the teaching team, facilitated a process of continuous formative assessment, the provision of generic feedback and differentiated instruction during the laboratory course. Collectively this ensured each student received the support they needed during their project work whilst minimising additional staff and student workloads. (Contains 2 tables and 1 figure.)