Natomas Middle (Data source)
Source data for Natomas 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 | 1898537 | 2448 | - | 2552 | = | -104 | * | (139 | / | 734) | = | -19.69482289 | ||
7 | 1898540 | 2469 | - | 2567 | = | -98 | * | (254 | / | 734) | = | -33.91280651 | ||
8 | 1898541 | 2466 | - | 2586 | = | -120 | * | (341 | / | 734) | = | -55.74931872 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Natomas Middle | -109 |
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 | 58492 | 2458 | - | 2552 | = | -94 | * | (239 | / | 764) | = | -29.40575915 | ||
7 | 58495 | 2459 | - | 2567 | = | -108 | * | (278 | / | 764) | = | -39.29842926 | ||
8 | 58497 | 2487 | - | 2586 | = | -99 | * | (247 | / | 764) | = | -32.00654447 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Natomas Middle | -101 |
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 | 60194 | 2445 | - | 2552 | = | -107 | * | (225 | / | 717) | = | -33.57740582 | ||
7 | 60196 | 2470 | - | 2567 | = | -97 | * | (227 | / | 717) | = | -30.70990231 | ||
8 | 60197 | 2472 | - | 2586 | = | -114 | * | (265 | / | 717) | = | -42.1338911 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Natomas Middle | -106 |
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 | 60318 | 2456 | - | 2552 | = | -96 | * | (276 | / | 750) | = | -35.328 | ||
7 | 60320 | 2467 | - | 2567 | = | -100 | * | (239 | / | 750) | = | -31.8666666 | ||
8 | 60322 | 2480 | - | 2586 | = | -106 | * | (235 | / | 750) | = | -33.2133333 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Natomas Middle | -100 |
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 | 60573 | 2448 | - | 2552 | = | -104 | * | (189 | / | 724) | = | -27.14917119 | ||
7 | 60574 | 2468 | - | 2567 | = | -99 | * | (284 | / | 724) | = | -38.83425411 | ||
8 | 60575 | 2491 | - | 2586 | = | -95 | * | (251 | / | 724) | = | -32.93508279 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Natomas Middle | -99 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-109 | -101 | -106 | -100 | -99 | -515.0 | -103.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -91.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -115.0
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 | 65% | 64% | 60% | 65% | 73% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Natomas Unified school district County of Sacramento
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.
Natomas Middle math proficiency
Zero+ meets standard.
55% less $meal
54% less $meal
51% less $meal
59% less $meal
65% 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 Natomas Unified (1)
Natomas Middle |