Previous research demonstrated that practice testing on studied information can effectively potentiate subsequent learning of new information, a phenomenon known as the forward testing effect. However, it has never been explored whether practice testing can facilitate the efficiency of learning new information for patients with schizophrenia. The current study recruited 124 patients with schizophrenia and 124 healthy controls to explore the forward testing effect on learning of 2D planar route maps (Experiment 1) and 3D spatial route information (Experiment 2). Experiment 1 showed that, for both patients with schizophrenia and healthy control participants, interim testing substantially boosted subsequent learning and recall of 2D planar route maps. Experiment 2 further demonstrated that, by comparison with interim restudying, interim testing effectively facilitated subsequent learning and recall of 3D spatial routes. Furthermore, the results demonstrated that interim testing effectively prevented the build-up of proactive interference for patients with schizophrenia. The documented findings suggest that interim testing is an effective strategy to enhance learning and memory for patients with schizophrenia.