A May 2001 letter that Zawahiri sent to Egyptian Islamic Jihad members abroad establish that Zawahiri used "school" as a code word for the Egyptian militant islamists in his correspondence.

"Results": [
    {
        "TypeName": "PER",
        "Text": "Zawahiri",
        "Start": 23,
        "End": 31
    },
    {
        "TypeName": "ORG",
        "Text": "Egyptian Islamic Jihad",
        "Start": 40,
        "End": 62
    },
    {
        "TypeName": "PER",
        "Text": "Zawahiri",
        "Start": 23,
        "End": 31
    }
]