Laurelwood Elementary (Data source)
Source data for Laurelwood 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 | 2649285 | 2416 | - | 2436 | = | -20 | * | (49 | / | 202) | = | -4.85148514 | ||
4 | 2649286 | 2455 | - | 2485 | = | -30 | * | (45 | / | 202) | = | -6.68316831 | ||
5 | 2649289 | 2492 | - | 2528 | = | -36 | * | (52 | / | 202) | = | -9.26732671 | ||
6 | 2649291 | 2566 | - | 2552 | = | 14 | * | (56 | / | 202) | = | 3.88118811 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Laurelwood Elementary | -17 |
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 | 80765 | 2436 | - | 2436 | = | 0 | * | (54 | / | 192) | = | 0.0 | ||
4 | 80768 | 2478 | - | 2485 | = | -7 | * | (47 | / | 192) | = | -1.71354166 | ||
5 | 80769 | 2494 | - | 2528 | = | -34 | * | (42 | / | 192) | = | -7.4375 | ||
6 | 80772 | 2548 | - | 2552 | = | -4 | * | (49 | / | 192) | = | -1.02083333 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Laurelwood Elementary | -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 | 82995 | 2465 | - | 2436 | = | 29 | * | (61 | / | 201) | = | 8.80099502 | ||
4 | 82996 | 2463 | - | 2485 | = | -22 | * | (50 | / | 201) | = | -5.4726368 | ||
5 | 82999 | 2481 | - | 2528 | = | -47 | * | (48 | / | 201) | = | -11.22388059 | ||
6 | 83000 | 2548 | - | 2552 | = | -4 | * | (42 | / | 201) | = | -0.83582089 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Laurelwood Elementary | -9 |
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 | 83211 | 2443 | - | 2436 | = | 7 | * | (50 | / | 193) | = | 1.8134715 | ||
4 | 83213 | 2500 | - | 2485 | = | 15 | * | (46 | / | 193) | = | 3.57512952 | ||
5 | 83215 | 2477 | - | 2528 | = | -51 | * | (49 | / | 193) | = | -12.94818651 | ||
6 | 83217 | 2539 | - | 2552 | = | -13 | * | (48 | / | 193) | = | -3.23316062 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Laurelwood Elementary | -11 |
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 | 83825 | 2455 | - | 2436 | = | 19 | * | (48 | / | 179) | = | 5.09497206 | ||
4 | 83826 | 2505 | - | 2485 | = | 20 | * | (40 | / | 179) | = | 4.46927374 | ||
5 | 83827 | 2563 | - | 2528 | = | 35 | * | (45 | / | 179) | = | 8.79888268 | ||
6 | 83828 | 2542 | - | 2552 | = | -10 | * | (46 | / | 179) | = | -2.5698324 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Laurelwood Elementary | 16 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-17 | -10 | -9 | -11 | 16 | -31.0 | -6.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 29.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -42.2
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 | 24% | 22% | 21% | 19% | 22% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Evergreen Elementary school district | County of Santa Clara
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.
Laurelwood Elementary math proficiency
Zero+ meets standard.
21% less $meal
16% less $meal
16% less $meal
18% less $meal
20% 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.