Abraham Lincoln Elementary (Data source)
Source data for Abraham Lincoln 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 | 2886979 | 2356 | - | 2436 | = | -80 | * | (52 | / | 187) | = | -22.24598928 | ||
| 4 | 2886982 | 2413 | - | 2485 | = | -72 | * | (39 | / | 187) | = | -15.01604273 | ||
| 5 | 2886983 | 2438 | - | 2528 | = | -90 | * | (60 | / | 187) | = | -28.87700526 | ||
| 6 | 2886986 | 2446 | - | 2552 | = | -106 | * | (36 | / | 187) | = | -20.40641701 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Abraham Lincoln Elementary | -87 | ||||||||||||
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 | 88395 | 2353 | - | 2436 | = | -83 | * | (45 | / | 196) | = | -19.05612239 | ||
| 4 | 88396 | 2415 | - | 2485 | = | -70 | * | (47 | / | 196) | = | -16.78571426 | ||
| 5 | 88398 | 2414 | - | 2528 | = | -114 | * | (46 | / | 196) | = | -26.75510198 | ||
| 6 | 88401 | 2467 | - | 2552 | = | -85 | * | (58 | / | 196) | = | -25.1530612 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Abraham Lincoln Elementary | -88 | ||||||||||||
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 | 90953 | 2360 | - | 2436 | = | -76 | * | (39 | / | 162) | = | -18.29629624 | ||
| 4 | 90955 | 2433 | - | 2485 | = | -52 | * | (34 | / | 162) | = | -10.91358024 | ||
| 5 | 90957 | 2422 | - | 2528 | = | -106 | * | (49 | / | 162) | = | -32.06172831 | ||
| 6 | 90960 | 2413 | - | 2552 | = | -139 | * | (40 | / | 162) | = | -34.32098762 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Abraham Lincoln Elementary | -96 | ||||||||||||
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 | 91149 | 0 | - | 2436 | = | * | (0 | / | 0) | = | ||||
| 4 | 91150 | 0 | - | 2485 | = | * | (0 | / | 0) | = | ||||
| 5 | 91153 | 0 | - | 2528 | = | * | (0 | / | 0) | = | ||||
| 6 | 91154 | 0 | - | 2552 | = | * | (0 | / | 0) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Abraham Lincoln Elementary | |||||||||||||
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 | 91809 | 2342 | - | 2436 | = | -94 | * | (30 | / | 135) | = | -20.88888887 | ||
| 4 | 91810 | 2377 | - | 2485 | = | -108 | * | (35 | / | 135) | = | -27.99999997 | ||
| 5 | 91811 | 2454 | - | 2528 | = | -74 | * | (41 | / | 135) | = | -22.47407402 | ||
| 6 | 91812 | 2448 | - | 2552 | = | -104 | * | (29 | / | 135) | = | -22.34074066 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Abraham Lincoln Elementary | -94 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -87 | -88 | -96 | -94 | -365.0 | -73.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -79.25
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -103.25
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 | 95% | 90% | 87% | 88% | 70% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Rosa Elementary school district | County of Sonoma
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.
Abraham Lincoln Elementary math proficiency
Zero+ meets standard.
81% less $meal
73% 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.