SMS messaging involves sending personal and sensitive information to your learners, so it's important to adhere to ethical and legal standards in order to protect their rights and interests. To do this, you need to obtain informed consent from your learners. Explain the purpose, benefits, risks, and expectations of your intervention and ask for their permission to send and receive messages, collect and use their data, and share their information with others. Additionally, you must respect their right to withdraw or opt out at any time. Additionally, it's essential to protect your learners' privacy and security by using encryption, passwords, and other methods to prevent unauthorized access, disclosure, or misuse of data. When you no longer need the data or when they request it, delete or anonymize it. You should also respect your learners' preferences and boundaries by asking for their preferred frequency, timing, and mode of communication. Avoid sending messages that might interrupt, annoy, or harass them. Respond to their messages promptly and politely. SMS messaging can be a valuable tool for education when done correctly; following these guidelines will help you create effective messages that are relevant and engaging for your learners.