Hanafi
The sources give no view for it here.
التهنئة بيوم العيد
هل تُشرع التهنئة بيوم العيد؟
Each school’s answer
In our wordsHanafi
Not stated in the sources
Maliki
Not stated in the sources
Shafi'i
Not stated in the sources
Hanbali
Not stated in the sources
The texts
هـ - التَّهْنِئَةُ بِيَوْمِ الْعِيدِ: ٦ - ذَهَبَ جُمْهُورُ الْفُقَهَاءِ إِلَى مَشْرُوعِيَّةِ التَّهْنِئَةِ بِالْعِيدِ مِنْ حَيْثُ الْجُمْلَةُ. وَلِلتَّفْصِيل اُنْظُرْ مُصْطَلَحَ (تَهْنِئَة ف ١٠)
«الموسوعة الفقهية الكويتية» (Kuwait) entry «عيد» vol. 31 p. 116
From the schools’ own books
Maliki
The sources give no view for it here.
Shafi'i
The sources give no view for it here.
Hanbali
The sources give no view for it here.
What is «in our words» is our standard wording; the books’ texts stay as they are.