BRIAN SNYDER/REUTERS

Members of the school soccer team gathered at a makeshift memorial for Colleen Ritzer outside Danvers High School.

BRIAN SNYDER/REUTERS

A woman retrieved a sign that blew off the memorial for teacher Colleen Ritzer.

BRIAN SNYDER/REUTERS

The sign board at Danvers High School displayed a quote from Colleen Ritzer.

Wendy Maeda/Globe staff

Katherine Kowalski (left) looked on as classmate Nicole White was comforted by a friend following a grief counseling session.

Wendy Maeda/Globe staff

Senior Cameron Trout comforted junior Kelsey Brooks at Danvers High School.

Wendy Maeda/Globe Staff

Wendy Davison visited the makeshift memorial for Colleen Ritzer.

Wendy Maeda/Globe Staff

The makeshift memorial for slain math teacher Colleen Ritzer was set up outside the high school.

Wendy Maeda/Globe staff

Parents and students attended a grief counseling session at Danvers High School.

Juliette Lynch for The Boston Globe

A candlelight vigil was held Wednesday night at Danvers High School for former math teacher Colleen Ritzer.

Juliette Lynch for The Boston Globe

Flowers, candles, and notes were placed on the ground.

Juliette Lynch for The Boston Globe

Brittany Hagman, 19, lit a candle for Ritzer.

Jim Davis/Globe Staff

A moment of silence was held for Ritzer before Game One of the World Series at Fenway Park.