The new school year is a great opportunity to become more organised and efficient. There are a number of mobile apps to help students and teachers with all sorts of school tasks from taking notes and tracking assignments to creating projects and lesson plans. Here are a few of the best back-to-school apps.

Evernote, free

Who it's for : Students and teachers

Platforms : iOS, Android, Windows, Blackberry and desktop

Evernote is a note-taking app that can take notes or create lesson plans and add photos and attachments. Record audio while taking notes and share notes with classmates or colleagues. A premium account unlocks more features.

MyHomework, free

Who it's for : Students

Platforms : iOS, Android, Windows, myhomeworkapp.com

Keep track of homework assignments and when they're due. If your teacher uses Teachers.io, join your teacher's class to see assignments, the syllabus, announcements, attachments or links to course material. Get more features with a premium account.

Teachers.io, free

Who it's for : Teachers

Platforms : iOS, teachers.io

Create assignments, schedule tests and lessons, post announcements, add attachments and links to course material, blog about your class and create or attach a syllabus. Your students can access all of this information from their MyHomework app or myhomeworkapp.com.

TouchCast, free

Who it's for : Teachers

Platforms : iPad, desktop

TouchCast is a production studio for the iPad. Embed clickable Web pages, polls, quizzes and more into videos to watch at home and discuss in class. For more ideas, visit touchcast.com/ education.

Remind, free

Who it's for : Teachers, students and parents

Platforms : iOS, Android, remind.com

Remind is a safe way teachers can text students and parents about homework and test reminders. Attach photos, links or presentations to messages, without handing out your phone number. Those who don't have the app can get messages through remind.com.

StudyBlue, free

Who it's for : Students

Platforms : iOS, Android, studyblue.com

Create flash cards to study for class. StudyBlue not only flips flash cards, but it also creates quizzes and review sheets based on your flash cards. Add and share photos, and search the online database of existing flash cards.

Sunrise, free

Who it's for : Students, teachers and parents

Platforms : iOS, Android, Mac OS X and sunrise.am

Sunrise is a calendar app that integrates with Google calendar and iCloud and imports events and birthdays from Facebook and Microsoft Exchange. Tell Sunrise what your favorite GPS app is, and get directions to your meeting.

Todoist, free

Who it's for : Students, teachers and parents

Platforms : iOS, Android, Windows, Mac OS X and todoist.com

Create to-do tasks within project folders, and break down big tasks into smaller subtasks. Todoist sends you an email every morning reminding you of your tasks for the day.

30/30, free

Who it's for : Students

Platforms : iOS

Keep on task with this to-do list timer. Create a task list and decide how long you'll focus on each task. Start the timer to hold yourself accountable.

Notability, $4.99

Who it's for : Students

Platforms : iOS

If you prefer handwriting notes but want the convenience of having notes on your iPad or iPhone, use notability to write, type and record notes as well as insert photos, graphs and Web pages. .

NYT