Textbooks used in elementary and secondary schools can be found in the LT section on the 2nd floor, near the juvenile books.
A list (image below) posted on the end of a row will help you find textbooks by subect.
For example, math textbooks can be found a LT2300 (elementary level) and LT5300 (secondary level).
The curriculum collection is located on the second floor near the juvenile books. Curriculum materials have a call number that begins with CURR.
How to find curriculum materials:
1) Go to http://www.plu.edu/library/ and insert a search term (e.g., Math) into the "Search the Library Collection" search box.
2) When you get to the results page, look in the left hand column for the term "Location" and underneath select "Curriculum Collection."
There are many lessons plans available on the internet. Here are a few resources on currrent topics.