Anderson Elementary (Data source)
Source data for Anderson 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 | 1551007 | 2442 | - | 2436 | = | 6 | * | (77 | / | 339) | = | 1.36283186 | ||
4 | 1551008 | 2452 | - | 2485 | = | -33 | * | (80 | / | 339) | = | -7.7876106 | ||
5 | 1551011 | 2486 | - | 2528 | = | -42 | * | (99 | / | 339) | = | -12.26548672 | ||
6 | 1551012 | 2525 | - | 2552 | = | -27 | * | (83 | / | 339) | = | -6.61061947 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Anderson Elementary | -25 |
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 | 48604 | 2452 | - | 2436 | = | 16 | * | (70 | / | 305) | = | 3.67213114 | ||
4 | 48607 | 2474 | - | 2485 | = | -11 | * | (72 | / | 305) | = | -2.5967213 | ||
5 | 48608 | 2509 | - | 2528 | = | -19 | * | (78 | / | 305) | = | -4.85901638 | ||
6 | 48610 | 2535 | - | 2552 | = | -17 | * | (85 | / | 305) | = | -4.73770491 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Anderson Elementary | -9 |
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 | 49925 | 2437 | - | 2436 | = | 1 | * | (79 | / | 297) | = | 0.26599327 | ||
4 | 49926 | 2479 | - | 2485 | = | -6 | * | (70 | / | 297) | = | -1.41414141 | ||
5 | 49928 | 2525 | - | 2528 | = | -3 | * | (71 | / | 297) | = | -0.71717172 | ||
6 | 49931 | 2547 | - | 2552 | = | -5 | * | (77 | / | 297) | = | -1.2962963 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Anderson Elementary | -3 |
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 | 49940 | 2456 | - | 2436 | = | 20 | * | (72 | / | 278) | = | 5.1798561 | ||
4 | 49942 | 2472 | - | 2485 | = | -13 | * | (82 | / | 278) | = | -3.83453236 | ||
5 | 49944 | 2519 | - | 2528 | = | -9 | * | (68 | / | 278) | = | -2.20143884 | ||
6 | 49946 | 2559 | - | 2552 | = | 7 | * | (56 | / | 278) | = | 1.41007194 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Anderson Elementary | 1 |
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 | 50136 | 2448 | - | 2436 | = | 12 | * | (81 | / | 314) | = | 3.0955414 | ||
4 | 50137 | 2467 | - | 2485 | = | -18 | * | (77 | / | 314) | = | -4.41401272 | ||
5 | 50138 | 2503 | - | 2528 | = | -25 | * | (87 | / | 314) | = | -6.92675158 | ||
6 | 50139 | 2546 | - | 2552 | = | -6 | * | (69 | / | 314) | = | -1.31847133 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Anderson Elementary | -10 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-25 | -9 | -3 | 1 | -10 | -46.0 | -9.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 17.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.2
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 | 81% | 86% | 87% | 86% | 88% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Westminster school district County of Orange
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Anderson Elementary math proficiency
Zero+ meets standard.
70% less $meal
73% less $meal
73% less $meal
80% less $meal
79% 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.