I was spending an hour every day filing students' graded quizzes when we realized, "Why are we doing all this filing? Students could easily do this themselves." Since the number one thing we are trying to get students to do is take ownership over their learning, we decided to have students file their own papers, cutting down on a lot of menial work for us and giving students a chance to see a physical record of what they had and had not mastered.
By allowing my students to assess other students' work and then providing them with a Student Lab Development Rubric to evaluate their own work, they learn to design and refine high-quality experimental procedures. The Student Lab Development Rubric is one of the tools I use to help students build the experiments they've created and then display results and lab analyses. When students are the ones dictating how they will conduct their experiments, they invest more fully in the activity and come to realize that science involves constant critical analysis and reiteration. I like to move conversations away from "right" and "wrong" and more towards how we can improve each component of our lab activities. Initially, some students feel uncomfortable identifying that their work isn't up to the high standards of the rubric, but over time most come to realize that this process helps them improve their final products and understand the underlying purpose behind labs.
Many students fall behind the class pace as the school year progresses, so I build in time to the class schedule for students to catch up. Before or after a break or towards the end of a trimester I won't move the lesson pace forward, giving students the opportunity to get back on pace.
Learning Targets are specific skill goals that align the work we do each day with the long-term goals my students and I have set at the beginning of the year. This strategy is a part of the larger mastery system in place in my self-paced blended learning classroom. By dissecting large skills into smaller Learning Targets, my students are more effectively able to self-assess their progress towards mastery in each of these skills. By emphasizing assessment for learning and achievement at high levels on specific Learning Targets, we take the focus off of assessment for the sole purpose of grading and gradually replace it with student ownership of their learning.