Final answer:
Ms. Lovelace suggests improving working conditions by providing more training for teachers, which includes better teaching methods and enhancing educational excellence.
Step-by-step explanation:
Based on the reference provided, Ms. Lovelace's suggestion to improve working conditions for teachers at Harbor Elementary School is to provide more training for teachers. This approach emphasizes better training for existing educators as a means to enhance the educational system, maximally utilizing the increase in size without compromising the excellence of education provided. It also acknowledges the importance of innovative teaching techniques to spark students' passion for learning.