Amargosa Creek Middle (Data source)
Source data for Amargosa Creek Middle
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 |
||
6 | 740393 | 2477 | - | 2552 | = | -75 | * | (106 | / | 943) | = | -8.43054083 | ||
7 | 740396 | 2484 | - | 2567 | = | -83 | * | (414 | / | 943) | = | -36.43902437 | ||
8 | 740397 | 2493 | - | 2586 | = | -93 | * | (423 | / | 943) | = | -41.71686101 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Amargosa Creek Middle | -87 |
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 |
||
6 | 23304 | 2479 | - | 2552 | = | -73 | * | (210 | / | 1005) | = | -15.25373128 | ||
7 | 23307 | 2496 | - | 2567 | = | -71 | * | (381 | / | 1005) | = | -26.91641787 | ||
8 | 23309 | 2511 | - | 2586 | = | -75 | * | (414 | / | 1005) | = | -30.89552235 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Amargosa Creek Middle | -73 |
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 |
||
6 | 23767 | 2462 | - | 2552 | = | -90 | * | (174 | / | 970) | = | -16.14432987 | ||
7 | 23769 | 2487 | - | 2567 | = | -80 | * | (401 | / | 970) | = | -33.07216488 | ||
8 | 23770 | 2503 | - | 2586 | = | -83 | * | (395 | / | 970) | = | -33.798969 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Amargosa Creek Middle | -83 |
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 |
||
6 | 23785 | 2445 | - | 2552 | = | -107 | * | (184 | / | 955) | = | -20.6157068 | ||
7 | 23786 | 2490 | - | 2567 | = | -77 | * | (366 | / | 955) | = | -29.50994762 | ||
8 | 23789 | 2497 | - | 2586 | = | -89 | * | (405 | / | 955) | = | -37.74345544 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Amargosa Creek Middle | -88 |
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 |
||
6 | 23962 | 2449 | - | 2552 | = | -103 | * | (201 | / | 959) | = | -21.58811258 | ||
7 | 23963 | 2492 | - | 2567 | = | -75 | * | (392 | / | 959) | = | -30.6569343 | ||
8 | 23964 | 2480 | - | 2586 | = | -106 | * | (366 | / | 959) | = | -40.45464019 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Amargosa Creek Middle | -93 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-87 | -73 | -83 | -88 | -93 | -424.0 | -84.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -63.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.8
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 | 71% | 72% | 75% | 79% | 86% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lancaster Elementary 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.
Amargosa Creek Middle math proficiency
Zero+ meets standard.
61% less $meal
66% less $meal
63% less $meal
72% less $meal
73% 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.
Intermediate/Middle Schools (Public) schools in Lancaster Elementary (5)
Amargosa Creek Middle | Endeavour Middle | Fulton and Alsbury Academy of Arts and Engineering |
New Vista Middle | Piute Middle |