"What we have seen first-hand is that the simple act of having a conversation about mental health - that initial breaking of the silence - can make a real difference", she said.
According to Express, the 36-year-old is considering having a home birth rather than welcoming her third child at St. Mary's Hospital in Paddington, where she gave birth to her first two children.
It is now being trialled at selected schools - including Roe Green Junior School in Brent, which Kate will be visiting today [Tuesday 23 January] - and will be made available for free to all schools in England later this term, before rolling out across the rest of the UK. Inspired by her own children, Kate's new initiative hopes to ensure all children, regardless of background, have the best opportunity for a productive childhood.
Looks like the Duchess of Cambridge might change her birth plans for baby No. 3.More news: Musk may get no salary unless Tesla hits milestones
Mental health problems in children and young people have been a key focus for the Duchess of Cambridge, who has taken an interest in how early intervention can stop problems later in life.
Later she gave a speech to the school's staff about her new launch.
She added, "The ultimate goal is that no primary school teacher, anywhere in the country, should in future have to wonder where to turn when it comes to the well-being of children in their care".
The free website for schools, called Mentally Healthy Schools, is expected to be available to primary's nationwide in the spring after being monitored and reviewed.More news: Dr. Sanjay Gupta says Trump has heart disease, contradicting White House physician
Kate's goal in championing the program is to provide mental health resources to children and parents early on before they become more serious.
The duchess brought together Heads Together charity partners, teaching organisations and mental health experts to create the online project.
The duchess, who was at Roe Green to launch a mental-health Web site, Mentally Healthy Schools, paired the dress with a £95 scarf from Beulah London, tanzanite earrings and navy blue heels, per the Daily Mail.
It's not long before we get to celebrate the arrival of another royal baby, with Kate due in mid April. Once Harry marries Meghan Markle in May, she will join the Royal Foundation as well.More news: James Franco Was Not Nominated for a Best Actor Oscar
Despite recent tradition seemingly dictating that a royal baby should be born in the Lindo Wing, prior to Harry and Wills there were many royal home births, including The Queen herself.