Final answer:
The Singapore system and the State of Indiana system share a focus on high academic standards and rigorous curriculum.
Step-by-step explanation:
The element that the Singapore system and the State of Indiana system share is a focus on high academic standards and rigorous curriculum.
In both systems, there is an emphasis on providing a strong foundation in core subjects such as mathematics, English, and science.
Both the Singapore system and the State of Indiana system aim to prepare students for success in higher education and future careers.