diff --git a/.github/workflows/on.pr.yml b/.github/workflows/on.pr.yml
index c0c7ee9..446f477 100644
--- a/.github/workflows/on.pr.yml
+++ b/.github/workflows/on.pr.yml
@@ -33,6 +33,11 @@ jobs:
             ${{ runner.os }}-maven-5Jun-
       - name: Run unit tests
         run: mvn -f pom.xml clean package
+      - name: Set up JDK 21 for Sonar
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'corretto'
+          java-version: 21
       - name: Cache SonarCloud packages
         uses: actions/cache@v4
         with:
diff --git a/api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/FailedAssessmentsRule.java b/api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/FailedAssessmentsRule.java
index 3e6a3c9..7408e26 100644
--- a/api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/FailedAssessmentsRule.java
+++ b/api/src/main/java/ca/bc/gov/educ/api/ruleengine/rule/FailedAssessmentsRule.java
@@ -1,5 +1,6 @@
 package ca.bc.gov.educ.api.ruleengine.rule;
 
+import ca.bc.gov.educ.api.ruleengine.dto.OptionalProgramRuleProcessor;
 import ca.bc.gov.educ.api.ruleengine.dto.RuleData;
 import ca.bc.gov.educ.api.ruleengine.dto.RuleProcessorData;
 import ca.bc.gov.educ.api.ruleengine.dto.StudentAssessment;
@@ -13,6 +14,8 @@
 import org.springframework.stereotype.Component;
 
 import java.util.List;
+import java.util.Map;
+import java.util.Objects;
 
 @Data
 @Component
@@ -28,37 +31,48 @@ public class FailedAssessmentsRule implements Rule {
 	@Override
 	public RuleData fire() {
 
-		List<StudentAssessment> studentAssessmentList =  RuleProcessorRuleUtils.getUniqueStudentAssessments(ruleProcessorData.getStudentAssessments(),ruleProcessorData.isProjected());
+		List<StudentAssessment> studentAssessmentList = RuleProcessorRuleUtils.getUniqueStudentAssessments(ruleProcessorData.getStudentAssessments(), ruleProcessorData.isProjected());
 
-		for (StudentAssessment studentAssessment : studentAssessmentList) {
+		markFailedAssessments(studentAssessmentList);
+		markOptionalProgramAssessmentsFailed();
 
+		ruleProcessorData.setExcludedAssessments(RuleProcessorRuleUtils.maintainExcludedAssessments(studentAssessmentList,ruleProcessorData.getExcludedAssessments(),ruleProcessorData.isProjected()));
+		ruleProcessorData.setStudentAssessments(studentAssessmentList);
+
+		logger.debug("Failed Assessments: {}",
+				(int) studentAssessmentList.stream().filter(StudentAssessment::isFailed).count());
+
+		return ruleProcessorData;
+	}
+
+	private void markOptionalProgramAssessmentsFailed() {
+		Map<String, OptionalProgramRuleProcessor> optionalPrograms = ruleProcessorData.getMapOptional();
+		if (optionalPrograms == null) {
+			return;
+		}
+
+		optionalPrograms.values().stream()
+				.map(OptionalProgramRuleProcessor::getStudentAssessmentsOptionalProgram)
+				.filter(Objects::nonNull)
+				.forEach(this::markFailedAssessments);
+	}
+
+	private void markFailedAssessments(List<StudentAssessment> studentAssessments) {
+		for (StudentAssessment studentAssessment : studentAssessments) {
 			boolean failed = ruleProcessorData.getSpecialCaseList().stream()
-					.anyMatch(lg -> lg.getSpCase()
+					.anyMatch(specialCase -> specialCase.getSpCase()
 							.compareTo(studentAssessment.getSpecialCase() != null
 									? studentAssessment.getSpecialCase().trim()
 									: "") == 0
-							&& lg.getPassFlag().compareTo("N") == 0);
+							&& specialCase.getPassFlag().compareTo("N") == 0);
 
-			if (failed)
-				studentAssessment.setFailed(true);
-			String exceededWriteFlag;
-            if(studentAssessment.getExceededWriteFlag() == null) {
-            	exceededWriteFlag = "";
-            }else {
-            	exceededWriteFlag = studentAssessment.getExceededWriteFlag();
-            }
-			if ("Y".compareTo(exceededWriteFlag.trim()) == 0) {
+			String exceededWriteFlag = studentAssessment.getExceededWriteFlag() == null
+					? ""
+					: studentAssessment.getExceededWriteFlag();
+			if (failed || "Y".equals(exceededWriteFlag.trim())) {
 				studentAssessment.setFailed(true);
 			}
 		}
-
-		ruleProcessorData.setExcludedAssessments(RuleProcessorRuleUtils.maintainExcludedAssessments(studentAssessmentList,ruleProcessorData.getExcludedAssessments(),ruleProcessorData.isProjected()));
-		ruleProcessorData.setStudentAssessments(studentAssessmentList);
-
-		logger.debug("Failed Assessments: {}",
-				(int) studentAssessmentList.stream().filter(StudentAssessment::isFailed).count());
-
-		return ruleProcessorData;
 	}
 
 	public void setInputData(RuleData inputData) {
diff --git a/api/src/test/java/ca/bc/gov/educ/api/ruleengine/rule/FailedAssessmentsRuleTest.java b/api/src/test/java/ca/bc/gov/educ/api/ruleengine/rule/FailedAssessmentsRuleTest.java
new file mode 100644
index 0000000..ffa4948
--- /dev/null
+++ b/api/src/test/java/ca/bc/gov/educ/api/ruleengine/rule/FailedAssessmentsRuleTest.java
@@ -0,0 +1,92 @@
+package ca.bc.gov.educ.api.ruleengine.rule;
+
+import ca.bc.gov.educ.api.ruleengine.dto.OptionalProgramRuleProcessor;
+import ca.bc.gov.educ.api.ruleengine.dto.RuleProcessorData;
+import ca.bc.gov.educ.api.ruleengine.dto.SpecialCase;
+import ca.bc.gov.educ.api.ruleengine.dto.StudentAssessment;
+import ca.bc.gov.educ.api.ruleengine.util.RuleProcessorRuleUtils;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+public class FailedAssessmentsRuleTest {
+
+    @Test
+    public void shouldMarkDualDogwoodAssessmentsFailedForNonPassingSpecialCases() {
+        assertAssessmentFailsForMainAndOptionalProgram("DD", "LTE10", "Q");
+        assertAssessmentFailsForMainAndOptionalProgram("DD", "LTE12", "X");
+    }
+
+    @Test
+    public void shouldMarkFrenchImmersionAssessmentFailedForNonPassingSpecialCases() {
+        assertAssessmentFailsForMainAndOptionalProgram("FI", "LTF12", "Q");
+        assertAssessmentFailsForMainAndOptionalProgram("FI", "LTF12", "X");
+    }
+
+    @Test
+    public void shouldNotMarkPassingSpecialCaseFailed() {
+        RuleProcessorData result = processAssessment("FI", "LTF12", "M");
+
+        assertFalse(result.getStudentAssessments().get(0).isFailed());
+        assertFalse(result.getMapOptional().get("FI").getStudentAssessmentsOptionalProgram().get(0).isFailed());
+    }
+
+    private void assertAssessmentFailsForMainAndOptionalProgram(String optionalProgramCode, String assessmentCode, String specialCase) {
+        RuleProcessorData result = processAssessment(optionalProgramCode, assessmentCode, specialCase);
+
+        assertTrue(result.getStudentAssessments().get(0).isFailed());
+        assertTrue(result.getMapOptional().get(optionalProgramCode).getStudentAssessmentsOptionalProgram().get(0).isFailed());
+        assertTrue(RuleProcessorRuleUtils.getUniqueStudentAssessments(
+                result.getMapOptional().get(optionalProgramCode).getStudentAssessmentsOptionalProgram(), false).isEmpty());
+    }
+
+    private RuleProcessorData processAssessment(String optionalProgramCode, String assessmentCode, String specialCase) {
+        StudentAssessment mainAssessment = createAssessment(assessmentCode, specialCase);
+        StudentAssessment optionalAssessment = createAssessment(assessmentCode, specialCase);
+
+        OptionalProgramRuleProcessor optionalProgram = new OptionalProgramRuleProcessor();
+        optionalProgram.setStudentAssessmentsOptionalProgram(new ArrayList<>(List.of(optionalAssessment)));
+
+        Map<String, OptionalProgramRuleProcessor> optionalPrograms = new HashMap<>();
+        optionalPrograms.put(optionalProgramCode, optionalProgram);
+
+        RuleProcessorData ruleProcessorData = new RuleProcessorData();
+        ruleProcessorData.setStudentAssessments(new ArrayList<>(List.of(mainAssessment)));
+        ruleProcessorData.setExcludedAssessments(new ArrayList<>());
+        ruleProcessorData.setSpecialCaseList(createSpecialCases());
+        ruleProcessorData.setMapOptional(optionalPrograms);
+        ruleProcessorData.setProjected(false);
+
+        return (RuleProcessorData) new FailedAssessmentsRule(ruleProcessorData).fire();
+    }
+
+    private StudentAssessment createAssessment(String assessmentCode, String specialCase) {
+        StudentAssessment assessment = new StudentAssessment();
+        assessment.setPen("123456789");
+        assessment.setAssessmentCode(assessmentCode);
+        assessment.setSessionDate("2026/06");
+        assessment.setSpecialCase(specialCase);
+        return assessment;
+    }
+
+    private List<SpecialCase> createSpecialCases() {
+        return List.of(
+                createSpecialCase("Q", "N"),
+                createSpecialCase("X", "N"),
+                createSpecialCase("M", "Y")
+        );
+    }
+
+    private SpecialCase createSpecialCase(String code, String passFlag) {
+        SpecialCase specialCase = new SpecialCase();
+        specialCase.setSpCase(code);
+        specialCase.setPassFlag(passFlag);
+        return specialCase;
+    }
+}