Everton teenager Hornby led the Scotland attack at the Toulon Tournament.
However it seems that neither the Everton Under-23s coach nor Heckingbottom will succeed Simon Grayson at Bradford City.
Everton's under-23 side lost 3-1 in the Merseyside derby against Liverpool yesterday.
Everton appointed Sam Allardyce after an interim spell by David Unsworth.
The Everton Under-23s manager could be in contention for another League One role.
Everton earned a 2-0 win over Swansea City's second string.
Henen's existing Everton deal expires at the end of the campaign.
Baxter returned to Everton last year, 12 months after his release by Sheffield United.
Everton defender Ramiro Funes-Mori played for the Toffees' development side and impressed.
Everton Under-23 manager David Unsworth has been linked with Oxford United, Barnsley and Bradford City.