Cambria Grammar (Data source)
Source data for Cambria Grammar
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2503385 | 2443 | - | 2436 | = | 7 | * | (33 | / | 153) | = | 1.50980392 | ||
| 4 | 2503388 | 2459 | - | 2485 | = | -26 | * | (47 | / | 153) | = | -7.98692809 | ||
| 5 | 2503389 | 2483 | - | 2528 | = | -45 | * | (73 | / | 153) | = | -21.47058824 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cambria Grammar | -28 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 76361 | 2441 | - | 2436 | = | 5 | * | (50 | / | 129) | = | 1.9379845 | ||
| 4 | 76364 | 2505 | - | 2485 | = | 20 | * | (32 | / | 129) | = | 4.9612403 | ||
| 5 | 76366 | 2536 | - | 2528 | = | 8 | * | (47 | / | 129) | = | 2.91472868 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cambria Grammar | 10 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 78402 | 2391 | - | 2436 | = | -45 | * | (40 | / | 121) | = | -14.87603304 | ||
| 4 | 78405 | 2469 | - | 2485 | = | -16 | * | (50 | / | 121) | = | -6.61157024 | ||
| 5 | 78406 | 2546 | - | 2528 | = | 18 | * | (31 | / | 121) | = | 4.61157025 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cambria Grammar | -17 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 78554 | 2428 | - | 2436 | = | -8 | * | (40 | / | 129) | = | -2.48062015 | ||
| 4 | 78555 | 2430 | - | 2485 | = | -55 | * | (39 | / | 129) | = | -16.62790696 | ||
| 5 | 78557 | 2511 | - | 2528 | = | -17 | * | (50 | / | 129) | = | -6.58914728 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cambria Grammar | -26 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 79085 | 2405 | - | 2436 | = | -31 | * | (44 | / | 122) | = | -11.18032785 | ||
| 4 | 79086 | 2455 | - | 2485 | = | -30 | * | (39 | / | 122) | = | -9.59016393 | ||
| 5 | 79087 | 2460 | - | 2528 | = | -68 | * | (39 | / | 122) | = | -21.73770491 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cambria Grammar | -43 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -28 | 10 | -17 | -26 | -43 | -104.0 | -20.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 36.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 69% | 76% | 77% | 82% | 80% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Coast Unified school district | County of San Luis Obispo
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Cambria Grammar math proficiency
Zero+ meets standard.
59% less $meal
64% less $meal
62% less $meal
72% less $meal
71% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Coast Unified (1)
| Cambria Grammar |