Complex sentence: He said that he had recently learned of the district's purchase of LANrev, and had researched the laptops' software and made the "somewhat startling" discovery that it would allow employees to monitor students' laptops remotely.
Split into simpler sentences: He said that he had recently learned of the district's purchase of LANrev, and had researched the laptops' software. He had made the "somewhat startling" discovery that it would allow employees to monitor students' laptops remotely.