Please note: School/District admin accounts do NOT have the option of assigning to individual students.
You may need to give an assessment to just a subset of students, an individual student or the entire class.
After you have created/selected the questions for any assessment and click "Assign", you will be directed to the “Assessment Details” page. Here, you will be able to select the class(es) for which you want to assign the test to.
You can select all of your classes or just one class.
Over on the right, each Class will show the list of students enrolled in that class. Click on the drop down and select any/all students from the respective class section that you want to assign the assignment to: