7 Things to Know as a New High School Art Teacher - goes for middle school too.
Hand Study / Drawing on Various Papers w/ Mixed Media - Conway High School Art Project
High School Art Lesson Plans | Full Year of Art I An entire year of Art lesson plans
oil pastel fruit close-up and crop. High school art lesson: composition, organic shapes, color, implied texture, etc.
Effortlessly Communicate Your High School Curriculum With These Student Handouts - PAINTING
24 Movies to Show in Your High School Art Room
Easy Non-objective Colored Pencil Design -- Conway High School Art Project
artwork inspiration: Zentangle hummingbird ... notan: positive / negative space ... doodle fills ...
Using a slab technique, students will create clay monsters using cylinders.
An entire site on art lessons and tutorials - some free - from Julianna Kunstler. "Art 1" is full of very detailed lessons on elements and principles. Plan to spend some time!