In that case, you must continue to do everything you can to improve achievement. It may not be enough. Continue to keep parents informed. Don t ever kid yourself about this. If you want to know what kind of reputation a teacher has, ask another teacher.
Bad stuff gets around.
Fortunately, good stuff does too. Try not to be territorial. It s not easy to share your classroom. If you re both dedicated to implementing the best possible program, it will work. When it works, the special ed teacher will make your job easier.