Dana Gray Elementary (Data source)
Source data for Dana Gray Elementary
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 | 1277580 | 2392 | - | 2436 | = | -44 | * | (131 | / | 390) | = | -14.77948714 | ||
| 4 | 1277581 | 2435 | - | 2485 | = | -50 | * | (142 | / | 390) | = | -18.2051282 | ||
| 5 | 1277584 | 2464 | - | 2528 | = | -64 | * | (117 | / | 390) | = | -19.2 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Dana Gray Elementary | -52 | ||||||||||||
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 | 39925 | 2421 | - | 2436 | = | -15 | * | (126 | / | 401) | = | -4.71321695 | ||
| 4 | 39927 | 2464 | - | 2485 | = | -21 | * | (133 | / | 401) | = | -6.96508726 | ||
| 5 | 39928 | 2494 | - | 2528 | = | -34 | * | (142 | / | 401) | = | -12.03990024 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Dana Gray Elementary | -24 | ||||||||||||
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 | 40945 | 2406 | - | 2436 | = | -30 | * | (116 | / | 375) | = | -9.27999999 | ||
| 4 | 40948 | 2467 | - | 2485 | = | -18 | * | (127 | / | 375) | = | -6.09599999 | ||
| 5 | 40949 | 2487 | - | 2528 | = | -41 | * | (132 | / | 375) | = | -14.432 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Dana Gray Elementary | -30 | ||||||||||||
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 | 40963 | 2413 | - | 2436 | = | -23 | * | (126 | / | 376) | = | -7.70744679 | ||
| 4 | 40964 | 2448 | - | 2485 | = | -37 | * | (122 | / | 376) | = | -12.00531915 | ||
| 5 | 40967 | 2480 | - | 2528 | = | -48 | * | (128 | / | 376) | = | -16.34042549 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Dana Gray Elementary | -36 | ||||||||||||
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 | 41116 | 2416 | - | 2436 | = | -20 | * | (158 | / | 402) | = | -7.8606965 | ||
| 4 | 41117 | 2453 | - | 2485 | = | -32 | * | (126 | / | 402) | = | -10.02985072 | ||
| 5 | 41118 | 2476 | - | 2528 | = | -52 | * | (118 | / | 402) | = | -15.26368158 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Dana Gray Elementary | -33 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -52 | -24 | -30 | -36 | -33 | -175.0 | -35.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -5.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.0
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 | 75% | 72% | 74% | 78% | 78% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Fort Bragg Unified school district | County of Mendocino
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.
Dana Gray Elementary math proficiency
Zero+ meets standard.
64% less $meal
59% less $meal
58% less $meal
70% 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 Fort Bragg Unified (2)
| Dana Gray Elementary | Redwood Elementary |