public function get_students( $args = array() ) {

		$ids = $this->get_posts(
			array(
				'posts_per_page' => -1,
			),
			'ids'
		);

		// If post IDs were passed we need to verify they're IDs that the instructor has access to.
		if ( ! empty( $args['post_id'] ) ) {
			$args['post_id'] = ! is_array( $args['post_id'] ) ? array( $args['post_id'] ) : $args['post_id'];
			$args['post_id'] = array_intersect( $args['post_id'], $ids );
		} else {
			// No post IDs passed in, query all of the instructor's posts.
			$args['post_id'] = $ids;
		}
		// The instructor has no posts, so we want to force no results.
		// @todo add an instructor query parameter to the student query.
		if ( empty( $args['post_id'] ) ) {
			$args['per_page']      = 0;
			$args['no_found_rows'] = true;
		}

		return new LLMS_Student_Query( $args );

	}