Woodlake Elementary (Data source)
Source data for Woodlake 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 | 1909152 | 2369 | - | 2436 | = | -67 | * | (75 | / | 241) | = | -20.85062237 | ||
| 4 | 1909153 | 2407 | - | 2485 | = | -78 | * | (62 | / | 241) | = | -20.06638998 | ||
| 5 | 1909156 | 2398 | - | 2528 | = | -130 | * | (56 | / | 241) | = | -30.20746885 | ||
| 6 | 1909157 | 2458 | - | 2552 | = | -94 | * | (48 | / | 241) | = | -18.72199166 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Woodlake Elementary | -90 | ||||||||||||
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 | 58781 | 2382 | - | 2436 | = | -54 | * | (59 | / | 232) | = | -13.73275858 | ||
| 4 | 58783 | 2428 | - | 2485 | = | -57 | * | (60 | / | 232) | = | -14.74137927 | ||
| 5 | 58784 | 2414 | - | 2528 | = | -114 | * | (57 | / | 232) | = | -28.00862067 | ||
| 6 | 58787 | 2446 | - | 2552 | = | -106 | * | (56 | / | 232) | = | -25.58620686 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Woodlake Elementary | -82 | ||||||||||||
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 | 60494 | 2395 | - | 2436 | = | -41 | * | (66 | / | 227) | = | -11.92070482 | ||
| 4 | 60495 | 2427 | - | 2485 | = | -58 | * | (59 | / | 227) | = | -15.07488985 | ||
| 5 | 60498 | 2454 | - | 2528 | = | -74 | * | (54 | / | 227) | = | -17.60352419 | ||
| 6 | 60500 | 2444 | - | 2552 | = | -108 | * | (48 | / | 227) | = | -22.83700435 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Woodlake Elementary | -67 | ||||||||||||
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 | 60619 | 2413 | - | 2436 | = | -23 | * | (43 | / | 199) | = | -4.96984925 | ||
| 4 | 60620 | 2444 | - | 2485 | = | -41 | * | (54 | / | 199) | = | -11.1256281 | ||
| 5 | 60623 | 2441 | - | 2528 | = | -87 | * | (50 | / | 199) | = | -21.85929645 | ||
| 6 | 60624 | 2456 | - | 2552 | = | -96 | * | (52 | / | 199) | = | -25.08542707 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Woodlake Elementary | -63 | ||||||||||||
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 | 60870 | 2369 | - | 2436 | = | -67 | * | (47 | / | 188) | = | -16.75 | ||
| 4 | 60871 | 2442 | - | 2485 | = | -43 | * | (48 | / | 188) | = | -10.97872336 | ||
| 5 | 60872 | 2467 | - | 2528 | = | -61 | * | (45 | / | 188) | = | -14.60106382 | ||
| 6 | 60873 | 2455 | - | 2552 | = | -97 | * | (48 | / | 188) | = | -24.76595736 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Woodlake Elementary | -67 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -90 | -82 | -67 | -63 | -67 | -369.0 | -73.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -40.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -106.8
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 | 97% | 97% | 96% | 97% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Twin Rivers Unified school district | County of Sacramento
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.
Woodlake Elementary math proficiency
Zero+ meets standard.
95% less $meal
94% less $meal
93% less $meal
93% less $meal
91% 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.