The most accurate statement that could be added to the student's table describing our solar system in the Milky Way is:
Our solar system will always be part of the Milky Way.
This statement is accurate because our solar system is indeed a part of the Milky Way galaxy and will remain so as long as the galaxy exists. The other statements are either misleading or incorrect. For instance, the solar system is not the only one with a star at its center, as most solar systems have a star. Additionally, while there may be a significant number of systems that could host habitable planets, it is not accurate to quantify them as "close to a billion." Lastly, our solar system is located in one of the spiral arms of the Milky Way, not at its center bulge.