Lincoln Elementary (Data source)
Source data for 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 | 1026572 | 2392 | - | 2436 | = | -44 | * | (95 | / | 266) | = | -15.71428571 | ||
4 | 1026573 | 2433 | - | 2485 | = | -52 | * | (81 | / | 266) | = | -15.83458646 | ||
5 | 1026576 | 2465 | - | 2528 | = | -63 | * | (90 | / | 266) | = | -21.31578943 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lincoln Elementary | -53 |
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 | 32230 | 2413 | - | 2436 | = | -23 | * | (73 | / | 240) | = | -6.99583332 | ||
4 | 32233 | 2438 | - | 2485 | = | -47 | * | (87 | / | 240) | = | -17.0375 | ||
5 | 32235 | 2459 | - | 2528 | = | -69 | * | (80 | / | 240) | = | -22.99999998 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lincoln Elementary | -47 |
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 | 32783 | 2412 | - | 2436 | = | -24 | * | (82 | / | 235) | = | -8.37446808 | ||
4 | 32785 | 2443 | - | 2485 | = | -42 | * | (71 | / | 235) | = | -12.68936168 | ||
5 | 32786 | 2474 | - | 2528 | = | -54 | * | (82 | / | 235) | = | -18.84255318 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lincoln Elementary | -40 |
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 | 32799 | 2403 | - | 2436 | = | -33 | * | (68 | / | 212) | = | -10.58490563 | ||
4 | 32801 | 2447 | - | 2485 | = | -38 | * | (79 | / | 212) | = | -14.16037734 | ||
5 | 32803 | 2487 | - | 2528 | = | -41 | * | (65 | / | 212) | = | -12.57075469 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lincoln Elementary | -37 |
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 | 32972 | 2417 | - | 2436 | = | -19 | * | (76 | / | 211) | = | -6.84360189 | ||
4 | 32973 | 2466 | - | 2485 | = | -19 | * | (64 | / | 211) | = | -5.76303317 | ||
5 | 32974 | 2466 | - | 2528 | = | -62 | * | (71 | / | 211) | = | -20.86255918 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lincoln Elementary | -33 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-53 | -47 | -40 | -37 | -33 | -210.0 | -42.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.0
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 | 95% | 94% | 95% | 97% | 97% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lynwood Unified school district County of Los Angeles
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.
Lincoln Elementary math proficiency
Zero+ meets standard.
83% less $meal
84% less $meal
88% less $meal
92% less $meal
88% 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.