Higher Altitudes in Ninth Grade Language Arts - Teacher's Edition: Higher Altitudes in 9th Grade Language Arts introduces and reinforces the core Language Arts skills – grammar, vocabulary, reading and writing – in a rigorous format that is challenging for the student, yet efficient for the teacher. In a step-by-step process which develops the Student's Language Arts, each Lesson presents, practices, applies, and reviews each concept before formally assessing the student’s understanding and rete