Abstract: This study examines the impact of implementing a new curriculum unit that emphasizes engineering at the 7th grade level in a rural school district in Texas, US. The curriculum was developed around critical historical inventions in US history. An example of an early invention is the solenoid. A solenoid is a coil of wire usually in cylindrical form that when carrying a current, acts like a magnet so that a movable core is drawn into the coil, when a current flows and that is used especially as a switch or control for a mechanical device (such as a valve). The current study seeks to determine if the curriculum is equally effective for both high performing and low performing students served in an inclusion class setting. The analysis of achievement data obtained from solenoid unit participants compared to a contrast group indicates that achievement scores increase for solenoid unit participants with no special needs label. However, students who are served in either special education or gifted programs do not demonstrate achievement gains after participating in the unit. The implications of the findings and dissemination opportunities are discussed.