diff --git a/.github/workflows/black.yaml b/.github/workflows/black.yaml
deleted file mode 100644
index 5e8b698d6..000000000
--- a/.github/workflows/black.yaml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: black
-
-on: [push, pull_request]
-
-# use workaround due to: https://github.com/psf/black/issues/2079#issuecomment-812359146
-jobs:
-    check-formatting:
-        runs-on: ubuntu-22.04
-        steps:
-            - uses: actions/checkout@v2
-            - name: Set up Python 3.11
-              uses: actions/setup-python@v2
-              with:
-                python-version: '3.11'
-            - name: Install Black
-              run: pip install 'black==22.6.0'
-            - name: Run black --check .
-              run: black --check .
diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
deleted file mode 100644
index b3cd8de03..000000000
--- a/.github/workflows/coverage.yaml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: Coverage
-
-on:
-  push:
-    branches:
-      - main
-    paths-ignore:
-      - 'doc/**'
-  pull_request:
-    paths-ignore:
-      - 'doc/**'
-
-jobs:
-  build:
-    runs-on: ubuntu-22.04
-    env:
-      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.11'
-      - name: Update package index
-        run: sudo apt-get update
-      - name: Install ARMI and MPI
-        run: |
-          sudo apt-get -y install libopenmpi-dev
-          pip install -e .[memprof,mpi,test]
-      - name: Run Coverage
-        run: |
-          coverage run --rcfile=pyproject.toml -m pytest -n 4 --cov=armi --cov-config=pyproject.toml --cov-report=lcov --ignore=venv armi
-          mpiexec -n 2 --use-hwthread-cpus coverage run --rcfile=pyproject.toml -m pytest --cov=armi --cov-config=pyproject.toml --cov-report=lcov --cov-append --ignore=venv armi/tests/test_mpiFeatures.py || true
-          mpiexec -n 2 --use-hwthread-cpus coverage run --rcfile=pyproject.toml -m pytest --cov=armi --cov-config=pyproject.toml --cov-report=lcov --cov-append --ignore=venv armi/tests/test_mpiParameters.py || true
-          coverage combine --rcfile=pyproject.toml --keep -a
-      - name: Publish to coveralls.io
-        uses: coverallsapp/github-action@v1.1.2
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          path-to-lcov: coverage.lcov
diff --git a/.github/workflows/docs.yaml b/.github/workflows/docs.yaml
deleted file mode 100644
index 4e928c4f7..000000000
--- a/.github/workflows/docs.yaml
+++ /dev/null
@@ -1,41 +0,0 @@
-name: Documentation
-
-on:
-  push:
-    branches:
-      - main
-
-jobs:
-  build:
-
-    runs-on: ubuntu-22.04
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: 3.9
-      - name: Update package index
-        run: sudo apt-get update
-      - name: Install mpi libs
-        run: sudo apt-get -y install libopenmpi-dev
-      - name: Install Pandoc
-        run: sudo apt-get -y install pandoc
-      - name: Setup Graphviz
-        uses: ts-graphviz/setup-graphviz@v1
-      - name: Make HTML Docs
-        run: |
-          pip install -e .[memprof,mpi,test,docs]
-          cd doc
-          git submodule init
-          git submodule update
-          make html
-      - name: deploy
-        uses: JamesIves/github-pages-deploy-action@4.1.5
-        with:
-          token: ${{ secrets.ACCESS_TOKEN }}
-          repository-name: ${{ github.repository_owner }}/terrapower.github.io
-          branch: main
-          folder: doc/_build/html
-          target-folder: armi
diff --git a/.github/workflows/licensechecker.yaml b/.github/workflows/licensechecker.yaml
deleted file mode 100644
index 8663b647c..000000000
--- a/.github/workflows/licensechecker.yaml
+++ /dev/null
@@ -1,9 +0,0 @@
-name: Check License Lines
-on: [push, pull_request]
-jobs:
-  check-license-lines:
-    runs-on: ubuntu-22.04
-    steps:
-    - uses: actions/checkout@master
-    - name: Check License Lines
-      uses: kt3k/license_checker@v1.0.6
diff --git a/.github/workflows/linting.yaml b/.github/workflows/linting.yaml
deleted file mode 100644
index c9cba039e..000000000
--- a/.github/workflows/linting.yaml
+++ /dev/null
@@ -1,21 +0,0 @@
-name: Linting
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-22.04
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.9'
-      - name: Update package index
-        run: sudo apt-get update
-      - name: Run Linter
-        run:  |
-          pip install -e .[test]
-          ruff .
diff --git a/.github/workflows/unittests.yaml b/.github/workflows/unittests.yaml
deleted file mode 100644
index 15c0b2364..000000000
--- a/.github/workflows/unittests.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-name: ARMI unit tests
-
-on:
-  push:
-    paths-ignore:
-      - 'doc/**'
-  pull_request:
-    paths-ignore:
-      - 'doc/**'
-
-jobs:
-  build:
-
-    runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        python: [3.7, 3.8, 3.9, '3.10', '3.11']
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python }}
-      - name: Update package index
-        run: sudo apt-get update
-      - name: Install mpi libs
-        run: sudo apt-get -y install libopenmpi-dev
-      - name: Run Tests and Coverage
-        run: |
-          pip install -e .[memprof,mpi,test]
-          pytest -n 4 armi
-          mpiexec -n 2 --use-hwthread-cpus coverage run --rcfile=pyproject.toml -m pytest --cov=armi --cov-config=pyproject.toml --cov-report=lcov --cov-append --ignore=venv armi/tests/test_mpiFeatures.py || true
-          mpiexec -n 2 --use-hwthread-cpus coverage run --rcfile=pyproject.toml -m pytest --cov=armi --cov-config=pyproject.toml --cov-report=lcov --cov-append --ignore=venv armi/tests/test_mpiParameters.py || true
-          coverage combine --rcfile=pyproject.toml --keep -a
diff --git a/.github/workflows/validatemanifest.py b/.github/workflows/validatemanifest.py
deleted file mode 100644
index 2e1fd901a..000000000
--- a/.github/workflows/validatemanifest.py
+++ /dev/null
@@ -1,57 +0,0 @@
-# Copyright 2022 TerraPower, LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""
-Validating the package-data in the pyproject.toml.
-
-Validate that we aren't trying to include files that don't exist.
-"""
-
-from glob import glob
-import os
-import toml
-
-# CONSTANTS
-ARMI_DIR = "armi/"
-PRPROJECT = "pyproject.toml"
-
-
-def main():
-    # parse the data files out of the pyproject.toml
-    txt = open(PRPROJECT, "r").read()
-    data = toml.loads(txt)
-    fileChunks = data["tool"]["setuptools"]["package-data"]["armi"]
-
-    # loop through each line in the package-data and find all the file paths
-    errors = []
-    for i, line in enumerate(fileChunks):
-        # make sure the file exists
-        path = ARMI_DIR + line.strip()
-        if "*" in path:
-            paths = [f for f in glob(path) if len(f) > 3]
-            if not len(paths):
-                errors.append((i, path))
-        else:
-            if not os.path.exists(path):
-                errors.append((i, path))
-
-    # If there were any missing files, raise an Error.
-    if errors:
-        for (i, line) in errors:
-            print("Nonexistant file on line {}: {}".format(i, line))
-        raise ValueError("Package-data file is incorrect: includes non-existant files.")
-
-
-if __name__ == "__main__":
-    main()
diff --git a/.github/workflows/validatemanifest.yaml b/.github/workflows/validatemanifest.yaml
deleted file mode 100644
index 90b53f0be..000000000
--- a/.github/workflows/validatemanifest.yaml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: Validate Manifest
-
-on: [push, pull_request]
-
-jobs:
-  build:
-
-    runs-on: ubuntu-22.04
-
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: '3.11'
-      - name: Validate Manifest
-        run: |
-          pip install toml
-          python .github/workflows/validatemanifest.py
diff --git a/.github/workflows/wintests.yaml b/.github/workflows/wintests.yaml
index 132e22529..b733177f4 100644
--- a/.github/workflows/wintests.yaml
+++ b/.github/workflows/wintests.yaml
@@ -1,4 +1,4 @@
-name: ARMI Windows tests
+name: ARMI Windows Reactor tests
 
 on:
   push:
@@ -24,6 +24,6 @@ jobs:
       - name: Run Unit Tests on Windows
         run: |
           pip install -e .[memprof,mpi,test]
-          pytest armi
+          pytest armi/reactor
       - name: Find Test Crumbs
         run: python .github/workflows/find_test_crumbs.py
diff --git a/.github/workflows/wintests2.yaml b/.github/workflows/wintests2.yaml
new file mode 100644
index 000000000..c819dbece
--- /dev/null
+++ b/.github/workflows/wintests2.yaml
@@ -0,0 +1,29 @@
+name: ARMI Windows Physics tests
+
+on:
+  push:
+    paths-ignore:
+      - 'doc/**'
+  pull_request:
+    paths-ignore:
+      - 'doc/**'
+
+jobs:
+  build:
+
+    runs-on: windows-2022
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.11'
+      - name: Upgrade PIP
+        run: python -m pip install --upgrade pip
+      - name: Run Unit Tests on Windows
+        run: |
+          pip install -e .[memprof,mpi,test]
+          pytest armi/physics
+      - name: Find Test Crumbs
+        run: python .github/workflows/find_test_crumbs.py
diff --git a/.github/workflows/wintests3.yaml b/.github/workflows/wintests3.yaml
new file mode 100644
index 000000000..85578d271
--- /dev/null
+++ b/.github/workflows/wintests3.yaml
@@ -0,0 +1,29 @@
+name: ARMI Windows tests
+
+on:
+  push:
+    paths-ignore:
+      - 'doc/**'
+  pull_request:
+    paths-ignore:
+      - 'doc/**'
+
+jobs:
+  build:
+
+    runs-on: windows-2022
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.11'
+      - name: Upgrade PIP
+        run: python -m pip install --upgrade pip
+      - name: Run Unit Tests on Windows
+        run: |
+          pip install -e .[memprof,mpi,test]
+          pytest armi/tests
+      - name: Find Test Crumbs
+        run: python .github/workflows/find_test_crumbs.py