Foster Road Elementary (Data source)
Source data for Foster Road 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 | 1051393 | 2422 | - | 2436 | = | -14 | * | (51 | / | 149) | = | -4.79194631 | ||
4 | 1051396 | 2469 | - | 2485 | = | -16 | * | (58 | / | 149) | = | -6.2281879 | ||
5 | 1051397 | 2502 | - | 2528 | = | -26 | * | (40 | / | 149) | = | -6.97986575 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Foster Road Elementary | -18 |
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 | 33008 | 2437 | - | 2436 | = | 1 | * | (54 | / | 166) | = | 0.3253012 | ||
4 | 33011 | 2481 | - | 2485 | = | -4 | * | (51 | / | 166) | = | -1.22891566 | ||
5 | 33013 | 2507 | - | 2528 | = | -21 | * | (61 | / | 166) | = | -7.71686746 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Foster Road 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 | 33584 | 2421 | - | 2436 | = | -15 | * | (52 | / | 167) | = | -4.67065868 | ||
4 | 33587 | 2492 | - | 2485 | = | 7 | * | (55 | / | 167) | = | 2.30538922 | ||
5 | 33588 | 2513 | - | 2528 | = | -15 | * | (60 | / | 167) | = | -5.38922156 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Foster Road Elementary | -8 |
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 | 33610 | 2421 | - | 2436 | = | -15 | * | (57 | / | 163) | = | -5.24539877 | ||
4 | 33613 | 2474 | - | 2485 | = | -11 | * | (56 | / | 163) | = | -3.7791411 | ||
5 | 33614 | 2511 | - | 2528 | = | -17 | * | (50 | / | 163) | = | -5.21472392 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Foster Road Elementary | -14 |
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 | 33786 | 2415 | - | 2436 | = | -21 | * | (51 | / | 157) | = | -6.82165604 | ||
4 | 33787 | 2481 | - | 2485 | = | -4 | * | (52 | / | 157) | = | -1.32484076 | ||
5 | 33788 | 2515 | - | 2528 | = | -13 | * | (54 | / | 157) | = | -4.47133757 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Foster Road Elementary | -13 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-18 | -9 | -8 | -14 | -13 | -62.0 | -12.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -0.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.4
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 | 79% | 80% | 77% | 79% | 81% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Norwalk-La Mirada 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.
Foster Road Elementary math proficiency
Zero+ meets standard.
67% less $meal
71% less $meal
71% less $meal
72% less $meal
75% 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.